diff options
Diffstat (limited to 'arch/sparc/kernel/sys_sunos.c')
| -rw-r--r-- | arch/sparc/kernel/sys_sunos.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c index aa0fb2efb6154..6f3ac548ee66d 100644 --- a/arch/sparc/kernel/sys_sunos.c +++ b/arch/sparc/kernel/sys_sunos.c @@ -325,21 +325,25 @@ struct sunos_dirent_callback { #define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1)) static int sunos_filldir(void * __buf, const char * name, int namlen, - loff_t offset, ino_t ino, unsigned int d_type) + loff_t offset, u64 ino, unsigned int d_type) { struct sunos_dirent __user *dirent; struct sunos_dirent_callback * buf = __buf; + unsigned long d_ino; int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) return -EINVAL; + d_ino = ino; + if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) + return -EOVERFLOW; dirent = buf->previous; if (dirent) put_user(offset, &dirent->d_off); dirent = buf->curr; buf->previous = dirent; - put_user(ino, &dirent->d_ino); + put_user(d_ino, &dirent->d_ino); put_user(namlen, &dirent->d_namlen); put_user(reclen, &dirent->d_reclen); copy_to_user(dirent->d_name, name, namlen); @@ -406,19 +410,23 @@ struct sunos_direntry_callback { }; static int sunos_filldirentry(void * __buf, const char * name, int namlen, - loff_t offset, ino_t ino, unsigned int d_type) + loff_t offset, u64 ino, unsigned int d_type) { struct sunos_direntry __user *dirent; struct sunos_direntry_callback *buf = __buf; + unsigned long d_ino; int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) return -EINVAL; + d_ino = ino; + if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) + return -EOVERFLOW; dirent = buf->previous; dirent = buf->curr; buf->previous = dirent; - put_user(ino, &dirent->d_ino); + put_user(d_ino, &dirent->d_ino); put_user(namlen, &dirent->d_namlen); put_user(reclen, &dirent->d_reclen); copy_to_user(dirent->d_name, name, namlen); @@ -483,13 +491,18 @@ asmlinkage int sunos_uname(struct sunos_utsname __user *name) { int ret; down_read(&uts_sem); - ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0], sizeof(name->sname) - 1); + ret = copy_to_user(&name->sname[0], &utsname()->sysname[0], + sizeof(name->sname) - 1); if (!ret) { - ret |= __copy_to_user(&name->nname[0], &system_utsname.nodename[0], sizeof(name->nname) - 1); + ret |= __copy_to_user(&name->nname[0], &utsname()->nodename[0], + sizeof(name->nname) - 1); ret |= __put_user('\0', &name->nname[8]); - ret |= __copy_to_user(&name->rel[0], &system_utsname.release[0], sizeof(name->rel) - 1); - ret |= __copy_to_user(&name->ver[0], &system_utsname.version[0], sizeof(name->ver) - 1); - ret |= __copy_to_user(&name->mach[0], &system_utsname.machine[0], sizeof(name->mach) - 1); + ret |= __copy_to_user(&name->rel[0], &utsname()->release[0], + sizeof(name->rel) - 1); + ret |= __copy_to_user(&name->ver[0], &utsname()->version[0], + sizeof(name->ver) - 1); + ret |= __copy_to_user(&name->mach[0], &utsname()->machine[0], + sizeof(name->mach) - 1); } up_read(&uts_sem); return ret ? -EFAULT : 0; |