diff options
| -rw-r--r-- | namedev.c | 10 | ||||
| -rw-r--r-- | test/udev-test.pl | 110 | ||||
| -rw-r--r-- | udev-add.c | 86 | ||||
| -rw-r--r-- | udev-remove.c | 42 | ||||
| -rw-r--r-- | udev.c | 26 | ||||
| -rw-r--r-- | udev_lib.c | 16 | ||||
| -rw-r--r-- | udev_lib.h | 1 | ||||
| -rw-r--r-- | udevinfo.c | 24 |
8 files changed, 207 insertions, 108 deletions
@@ -836,12 +836,22 @@ int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *ud } } + /* no rule was found for the net device */ + if (udev->type == 'n') { + dbg("no name for net device '%s' configured", udev->kernel_name); + return -1; + } + /* no rule was found so we use the kernel name */ strfieldcpy(udev->name, udev->kernel_name); goto done; found: apply_format(udev, udev->name, sizeof(udev->name), class_dev, sysfs_device); + + if (udev->type == 'n') + return 0; + udev->partitions = dev->partitions; strfieldcpy(udev->config_file, dev->config_file); udev->config_line = dev->config_line; diff --git a/test/udev-test.pl b/test/udev-test.pl index d93ebb9c..8ae01c31 100644 --- a/test/udev-test.pl +++ b/test/udev-test.pl @@ -35,7 +35,7 @@ my @tests = ( { desc => "label test of scsi disc", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "boot_disk" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="boot_disk%n" @@ -45,7 +45,7 @@ EOF { desc => "label test of scsi partition", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="boot_disk%n" @@ -54,7 +54,7 @@ EOF { desc => "label test of pattern match", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => <<EOF BUS="scsi", SYSFS{vendor}="?IBM-ESXS", NAME="boot_disk%n-1" @@ -66,7 +66,7 @@ EOF { desc => "label test of multiple sysfs files", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", SYSFS{model}="ST336605LW !#", NAME="boot_diskX%n" @@ -76,7 +76,7 @@ EOF { desc => "label test of max sysfs files", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", SYSFS{model}="ST336605LW !#", SYSFS{scsi_level}="4", SYSFS{rev}="B245", SYSFS{type}="2", SYSFS{queue_depth}="32", NAME="boot_diskXX%n" @@ -86,7 +86,7 @@ EOF { desc => "catch device by *", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => <<EOF KERNEL="ttyUSB*", NAME="visor/%n" @@ -95,7 +95,7 @@ EOF { desc => "catch device by * - take 2", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => <<EOF KERNEL="*USB1", NAME="bad" @@ -105,7 +105,7 @@ EOF { desc => "catch device by ?", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => <<EOF KERNEL="ttyUSB??*", NAME="visor/%n-1" @@ -116,7 +116,7 @@ EOF { desc => "catch device by character class", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => <<EOF KERNEL="ttyUSB[A-Z]*", NAME="visor/%n-1" @@ -127,7 +127,7 @@ EOF { desc => "replace kernel name", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => <<EOF KERNEL="ttyUSB0", NAME="visor" @@ -136,7 +136,7 @@ EOF { desc => "Handle comment lines in config file (and replace kernel name)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => <<EOF # this is a comment @@ -147,7 +147,7 @@ EOF { desc => "Handle comment lines in config file with whitespace (and replace kernel name)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => <<EOF # this is a comment with whitespace before the comment @@ -158,7 +158,7 @@ EOF { desc => "Handle empty lines in config file (and replace kernel name)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => <<EOF @@ -169,7 +169,7 @@ EOF { desc => "subdirectory handling", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "sub/direct/ory/visor" , conf => <<EOF KERNEL="ttyUSB0", NAME="sub/direct/ory/visor" @@ -178,7 +178,7 @@ EOF { desc => "place on bus of scsi partition", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "first_disk3" , conf => <<EOF BUS="scsi", PLACE="0:0:0:0", NAME="first_disk%n" @@ -187,7 +187,7 @@ EOF { desc => "test NAME substitution chars", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" , conf => <<EOF BUS="scsi", PLACE="0:0:0:0", NAME="Major:%M:minor:%m:kernelnumber:%n:bus:%b" @@ -196,7 +196,7 @@ EOF { desc => "test NAME substitution chars (with length limit)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "M8-m3-n3-b0:0-sIBM" , conf => <<EOF BUS="scsi", PLACE="0:0:0:0", NAME="M%M-m%m-n%n-b%3b-s%3s{vendor}" @@ -205,7 +205,7 @@ EOF { desc => "old style SYSFS_ attribute", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "good" , conf => <<EOF BUS="scsi", SYSFS_vendor="IBM-ESXS", NAME="good" @@ -214,7 +214,7 @@ EOF { desc => "sustitution of sysfs value (%s{file})", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "disk-IBM-ESXS-sda" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="disk-%s{vendor}-%k" @@ -224,7 +224,7 @@ EOF { desc => "program result substitution", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "special-device-3" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n special-device", RESULT="-special-*", NAME="%c-1-%n" @@ -237,7 +237,7 @@ EOF { desc => "program result substitution", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "test-0:0:0:0" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n test-%b", RESULT="test-0:0*", NAME="%c" @@ -246,7 +246,7 @@ EOF { desc => "program with escaped format char (tricky: callout returns format char!)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "escape-3" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n escape-%%n", KERNEL="sda3", NAME="%c" @@ -255,7 +255,7 @@ EOF { desc => "program with lots of arguments", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "foo9" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL="sda3", NAME="%c{7}" @@ -264,7 +264,7 @@ EOF { desc => "program with subshell", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "bar9" , conf => <<EOF BUS="scsi", PROGRAM="/bin/sh -c 'echo foo3 foo4 foo5 foo6 foo7 foo8 foo9 | sed s/foo9/bar9/'", KERNEL="sda3", NAME="%c{7}" @@ -273,7 +273,7 @@ EOF { desc => "program arguments combined with apostrophes", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "foo7" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n 'foo3 foo4' 'foo5 foo6 foo7 foo8'", KERNEL="sda3", NAME="%c{5}" @@ -282,7 +282,7 @@ EOF { desc => "characters before the %c{N} substitution", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "my-foo9" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL="sda3", NAME="my-%c{7}" @@ -291,7 +291,7 @@ EOF { desc => "substitute the second to last argument", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "my-foo8" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL="sda3", NAME="my-%c{6}" @@ -300,7 +300,7 @@ EOF { desc => "program result substitution (numbered part of)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "link1" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n node link1 link2", RESULT="node *", NAME="%c{1}", SYMLINK="%c{2} %c{3}" @@ -309,7 +309,7 @@ EOF { desc => "program result substitution (numbered part of+)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "link3" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n node link1 link2 link3 link4", RESULT="node *", NAME="%c{1}", SYMLINK="%c{2+}" @@ -318,7 +318,7 @@ EOF { desc => "invalid program for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "TTY" , conf => <<EOF BUS="scsi", PROGRAM="/bin/echo -n foo", RESULT="foo", NAME="foo" @@ -328,7 +328,7 @@ EOF { desc => "valid program for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "foo" , conf => <<EOF PROGRAM="/bin/echo -n foo", RESULT="foo", NAME="foo" @@ -338,7 +338,7 @@ EOF { desc => "invalid label for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "TTY" , conf => <<EOF BUS="foo", SYSFS{dev}="5:1", NAME="foo" @@ -348,7 +348,7 @@ EOF { desc => "valid label for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "foo" , conf => <<EOF SYSFS{dev}="5:1", NAME="foo" @@ -358,7 +358,7 @@ EOF { desc => "program and bus type match", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0" , conf => <<EOF BUS="usb", PROGRAM="/bin/echo -n usb-%b", NAME="%c" @@ -369,7 +369,7 @@ EOF { desc => "symlink creation (same directory)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor0" , conf => <<EOF KERNEL="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="visor%n" @@ -378,7 +378,7 @@ EOF { desc => "symlink creation (relative link back)", subsys => "block", - devpath => "block/sda/sda2", + devpath => "/block/sda/sda2", exp_name => "1/2/a/b/symlink" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="1/2/node", SYMLINK="1/2/a/b/symlink" @@ -387,7 +387,7 @@ EOF { desc => "symlink creation (relative link forward)", subsys => "block", - devpath => "block/sda/sda2", + devpath => "/block/sda/sda2", exp_name => "1/2/symlink" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="1/2/a/b/node", SYMLINK="1/2/symlink" @@ -396,7 +396,7 @@ EOF { desc => "symlink creation (relative link back and forward)", subsys => "block", - devpath => "block/sda/sda2", + devpath => "/block/sda/sda2", exp_name => "1/2/c/d/symlink" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="1/2/a/b/node", SYMLINK="1/2/c/d/symlink" @@ -405,7 +405,7 @@ EOF { desc => "multiple symlinks", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "second-0" , conf => <<EOF KERNEL="ttyUSB0", NAME="visor", SYMLINK="first-%n second-%n third-%n" @@ -414,7 +414,7 @@ EOF { desc => "create all possible partitions", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "boot_disk15" , conf => <<EOF BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME{all_partitions}="boot_disk" @@ -423,7 +423,7 @@ EOF { desc => "sysfs parent hierarchy", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => <<EOF SYSFS{idProduct}="2008", NAME="visor" @@ -432,7 +432,7 @@ EOF { desc => "name test with ! in the name", subsys => "block", - devpath => "block/rd!c0d0", + devpath => "/block/rd!c0d0", exp_name => "rd/c0d0" , conf => <<EOF BUS="scsi", NAME="%k" @@ -442,7 +442,7 @@ EOF { desc => "name test with ! in the name, but no matching rule", subsys => "block", - devpath => "block/rd!c0d0", + devpath => "/block/rd!c0d0", exp_name => "rd/c0d0" , conf => <<EOF KERNEL="ttyUSB0", NAME="visor" @@ -451,7 +451,7 @@ EOF { desc => "ID rule", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => <<EOF BUS="usb", ID="0:0:0:0", NAME="not-scsi" @@ -464,7 +464,7 @@ EOF { desc => "ID wildcard all", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => <<EOF BUS="scsi", ID="*:1", NAME="no-match" @@ -477,7 +477,7 @@ EOF { desc => "ID wildcard partial", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => <<EOF BUS="scsi", ID="*:0", NAME="scsi-0:0:0:0" @@ -487,7 +487,7 @@ EOF { desc => "ID wildcard partial 2", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => <<EOF BUS="scsi", ID="*:0:0:0", NAME="scsi-0:0:0:0" @@ -497,7 +497,7 @@ EOF { desc => "ignore SYSFS attribute whitespace", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "ignored", conf => <<EOF BUS="scsi", SYSFS{whitespace_test}="WHITE SPACE", NAME="ignored" @@ -506,7 +506,7 @@ EOF { desc => "do not ignore SYSFS attribute whitespace", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "matched-with-space", conf => <<EOF BUS="scsi", SYSFS{whitespace_test}="WHITE SPACE ", NAME="wrong-to-ignore" @@ -516,7 +516,7 @@ EOF { desc => "SYMLINK only rule", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "symlink-only2", conf => <<EOF BUS="scsi", KERNEL="sda", SYMLINK="symlink-only1" @@ -527,7 +527,7 @@ EOF { desc => "permissions test", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "node", exp_perms => "5000::0444", conf => <<EOF @@ -537,7 +537,7 @@ EOF { desc => "major/minor number test", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "node", exp_majorminor => "8:0", conf => <<EOF @@ -547,7 +547,7 @@ EOF { desc => "big minor number test", subsys => "i2c-dev", - devpath => "class/i2c-dev/i2c-300", + devpath => "/class/i2c-dev/i2c-300", exp_name => "node", exp_majorminor => "89:300", conf => <<EOF @@ -557,7 +557,7 @@ EOF { desc => "big major number test", subsys => "i2c-dev", - devpath => "class/i2c-dev/i2c-fake1", + devpath => "/class/i2c-dev/i2c-fake1", exp_name => "node", exp_majorminor => "4095:1", conf => <<EOF @@ -567,7 +567,7 @@ EOF { desc => "big major and big minor number test", subsys => "i2c-dev", - devpath => "class/i2c-dev/i2c-fake2", + devpath => "/class/i2c-dev/i2c-fake2", exp_name => "node", exp_majorminor => "4094:89999", conf => <<EOF @@ -30,6 +30,10 @@ #include <sys/stat.h> #include <sys/types.h> #include <grp.h> +#include <net/if.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <linux/sockios.h> #ifndef __KLIBC__ #include <pwd.h> #include <utmp.h> @@ -342,16 +346,16 @@ exit: /* wait for the "dev" file to show up in the directory in sysfs. * If it doesn't happen in about 10 seconds, give up. */ -#define SECONDS_TO_WAIT_FOR_DEV 10 -static int sleep_for_dev(char *path) +#define SECONDS_TO_WAIT_FOR_FILE 10 +static int sleep_for_file(char *path, char* file) { char filename[SYSFS_PATH_MAX + 6]; - int loop = SECONDS_TO_WAIT_FOR_DEV; + int loop = SECONDS_TO_WAIT_FOR_FILE; int retval; strfieldcpy(filename, sysfs_path); strfieldcat(filename, path); - strfieldcat(filename, "/dev"); + strfieldcat(filename, file); while (loop--) { struct stat buf; @@ -369,6 +373,30 @@ exit: return retval; } +static int rename_net_if(struct udevice *dev) +{ + int sk; + struct ifreq ifr; + int retval; + + sk = socket(PF_INET, SOCK_DGRAM, 0); + if (sk < 0) { + dbg("error opening socket"); + return -1; + } + + memset(&ifr, 0x00, sizeof(struct ifreq)); + strfieldcpy(ifr.ifr_name, dev->kernel_name); + strfieldcpy(ifr.ifr_newname, dev->name); + + dbg("changing net interface name from '%s' to '%s'", dev->kernel_name, dev->name); + retval = ioctl(sk, SIOCSIFNAME, &ifr); + if (retval != 0) + dbg("error changing net interface name"); + + return retval; +} + int udev_add_device(char *path, char *subsystem, int fake) { struct sysfs_class_device *class_dev = NULL; @@ -378,39 +406,61 @@ int udev_add_device(char *path, char *subsystem, int fake) memset(&dev, 0x00, sizeof(dev)); /* for now, the block layer is the only place where block devices are */ - if (strcmp(subsystem, "block") == 0) - dev.type = 'b'; - else - dev.type = 'c'; - retval = sleep_for_dev(path); - if (retval != 0) - goto exit; + dev.type = get_device_type(path, subsystem); + + switch (dev.type) { + case 'b': + case 'c': + retval = sleep_for_file(path, "/dev"); + break; + + case 'n': + retval = sleep_for_file(path, "/address"); + break; + + default: + dbg("unknown device type '%c'", dev.type); + retval = -EINVAL; + } class_dev = get_class_dev(path); if (class_dev == NULL) goto exit; - retval = get_major_minor(class_dev, &dev); - if (retval != 0) { - dbg("get_major_minor failed"); - goto exit; + if (dev.type == 'b' || dev.type == 'c') { + retval = get_major_minor(class_dev, &dev); + if (retval != 0) { + dbg("get_major_minor failed"); + goto exit; + } } retval = namedev_name_device(class_dev, &dev); if (retval != 0) goto exit; - if (!fake) { + if (!fake && (dev.type == 'b' || dev.type == 'c')) { retval = udevdb_add_dev(path, &dev); if (retval != 0) dbg("udevdb_add_dev failed, but we are going to try " "to create the node anyway. But remove might not " "work properly for this device."); - } + dbg("name='%s'", dev.name); - retval = create_node(&dev, fake); + switch (dev.type) { + case 'b': + case 'c': + retval = create_node(&dev, fake); + break; + + case 'n': + retval = rename_net_if(&dev); + if (retval != 0) + dbg("net device naming failed"); + break; + } if ((retval == 0) && (!fake)) dev_d_send(&dev, subsystem); diff --git a/udev-remove.c b/udev-remove.c index 41636b68..98c45d6c 100644 --- a/udev-remove.c +++ b/udev-remove.c @@ -135,22 +135,38 @@ int udev_remove_device(char *path, char *subsystem) char *temp; int retval; - memset(&dev, 0, sizeof(dev)); + memset(&dev, 0x00, sizeof(dev)); - retval = udevdb_get_dev(path, &dev); - if (retval) { - dbg("'%s' not found in database, falling back on default name", path); - temp = strrchr(path, '/'); - if (temp == NULL) - return -ENODEV; - strfieldcpy(dev.name, &temp[1]); - } + dev.type = get_device_type(path, subsystem); + + switch (dev.type) { + case 'b': + case 'c': + retval = udevdb_get_dev(path, &dev); + if (retval) { + dbg("'%s' not found in database, falling back on default name", path); + temp = strrchr(path, '/'); + if (temp == NULL) + return -ENODEV; + strfieldcpy(dev.name, &temp[1]); + } - dbg("name is '%s'", dev.name); - udevdb_delete_dev(path); + dbg("name='%s'", dev.name); + udevdb_delete_dev(path); - dev_d_send(&dev, subsystem); + dev_d_send(&dev, subsystem); + + retval = delete_node(&dev); + break; + + case 'n': + retval = 0; + break; + + default: + dbg("unknown device type '%c'", dev.type); + retval = -EINVAL; + } - retval = delete_node(&dev); return retval; } @@ -68,7 +68,6 @@ static void sig_handler(int signum) } static char *subsystem_blacklist[] = { - "net", "scsi_host", "scsi_device", "usb_host", @@ -85,6 +84,7 @@ static int udev_hotplug(void) int retval = -EINVAL; int i; struct sigaction act; + const int nofake = 0; action = get_action(); if (!action) { @@ -137,23 +137,23 @@ static int udev_hotplug(void) if (strcmp(action, "add") == 0) { namedev_init(); - retval = udev_add_device(devpath, subsystem, 0); - } else { - if (strcmp(action, "remove") == 0) { - retval = udev_remove_device(devpath, subsystem); - } else { - dbg("unknown action '%s'", action); - retval = -EINVAL; - } + retval = udev_add_device(devpath, subsystem, nofake); + goto action_done; + } + + if (strcmp(action, "remove") == 0) { + retval = udev_remove_device(devpath, subsystem); + goto action_done; } + dbg("unknown action '%s'", action); + retval = -EINVAL; + +action_done: udevdb_exit(); exit: - if (retval > 0) - retval = 0; - - return -retval; + return retval; } int main(int argc, char *argv[], char *envp[]) @@ -81,6 +81,22 @@ char *get_subsystem(char *subsystem) return subsystem; } +char get_device_type(const char *path, const char *subsystem) +{ + if (strcmp(subsystem, "block") == 0 || + strstr(path, "/block/") != NULL) + return 'b'; + + if (strcmp(subsystem, "net") == 0 || + strstr(path, "/class/net/") != NULL) + return 'n'; + + if (strstr(path, "/class/") != NULL) + return 'c'; + + return '\0'; +} + int file_map(const char *filename, char **buf, size_t *bufsize) { struct stat stats; @@ -71,6 +71,7 @@ extern char *get_devpath(void); extern char *get_devnode(void); extern char *get_seqnum(void); extern char *get_subsystem(char *subsystem); +extern char get_device_type(const char *path, const char *subsystem); extern int file_map(const char *filename, char **buf, size_t *bufsize); extern void file_unmap(char *buf, size_t bufsize); extern size_t buf_get_line(char *buf, size_t buflen, size_t cur); @@ -138,6 +138,10 @@ static int print_device_chain(const char *path) struct sysfs_device *sysfs_dev; struct sysfs_device *sysfs_dev_parent; int retval = 0; + char type; + + type = get_device_type(path, ""); + dbg("device type is %c", type); /* get the class dev */ class_dev = sysfs_open_class_device_path(path); @@ -146,21 +150,23 @@ static int print_device_chain(const char *path) return -1; } - /* read the 'dev' file for major/minor*/ - attr = sysfs_get_classdev_attr(class_dev, "dev"); - if (attr == NULL) { - printf("couldn't get the \"dev\" file\n"); - retval = -1; - goto exit; - } - printf("\nudevinfo starts with the device the node belongs to and then walks up the\n" "device chain, to print for every device found, all possibly useful attributes\n" "in the udev key format.\n" "Only attributes within one device section may be used together in one rule,\n" "to match the device for which the node will be created.\n" "\n"); - printf("device '%s' has major:minor %s", class_dev->path, attr->value); + + if (type == 'b' || type =='c') { + /* read the 'dev' file for major/minor*/ + attr = sysfs_get_classdev_attr(class_dev, "dev"); + if (attr == NULL) { + printf("couldn't get the \"dev\" file\n"); + retval = -1; + goto exit; + } + printf("device '%s' has major:minor %s", class_dev->path, attr->value); + } /* open sysfs class device directory and print all attributes */ printf(" looking at class device '%s':\n", class_dev->path); |