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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-28 12:38:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-28 12:38:50 -0700
commit4e8440b3b6b801953b2e53c55491cf98fc8f6c01 (patch)
tree2326bb4c6998e8f44f0b9236954569adc15bb8e3
parenta1842b2b6fc011145c24180744d62d88b895f8e3 (diff)
parente6be18f6d62c1d3b331ae020b76a29c2ccf6b0bf (diff)
downloadlinux-stable-4e8440b3b6b801953b2e53c55491cf98fc8f6c01.tar.gz
Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang: "A fix for a regression introduced yesterday. The regression didn't show up here locally because I did not have PAGE_POISONING enabled. And buildbots discovered this only after it hit your tree. Thanks to Dan for the quick response" * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: dev: use after free in detach
-rw-r--r--drivers/i2c/i2c-dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 89593dcb79f032..6ecfd76270f276 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -592,9 +592,9 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy)
if (!i2c_dev) /* attach_adapter must have failed */
return 0;
+ cdev_del(&i2c_dev->cdev);
put_i2c_dev(i2c_dev);
device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
- cdev_del(&i2c_dev->cdev);
pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
return 0;