diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-04-30 15:28:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 17:04:08 -0700 |
| commit | 0ece1bbf4c280a4e886709ebf21d7df35a638a82 (patch) | |
| tree | aaa64b49aeeeeab5b3ef978ae8b43da47b36f8aa | |
| parent | 8d46fa11790e012d991495148f2d16cdbf4ee864 (diff) | |
| download | linux-0ece1bbf4c280a4e886709ebf21d7df35a638a82.tar.gz | |
drivers/w1/slaves/w1_bq27000.c: fix the error handling in w1_bq27000_add_slave()
Use platform_device_put() instead of platform_device_unregister() if platform_device_add() fails, and also add the return value check of platform_device_add_data(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: Evgeniy Polyakov <zbr@ioremap.net> Cc: Greg KH <greg@kroah.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/w1/slaves/w1_bq27000.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/w1/slaves/w1_bq27000.c b/drivers/w1/slaves/w1_bq27000.c index 773dca5beafe..afbefed5f2c9 100644 --- a/drivers/w1/slaves/w1_bq27000.c +++ b/drivers/w1/slaves/w1_bq27000.c @@ -57,6 +57,8 @@ static int w1_bq27000_add_slave(struct w1_slave *sl) ret = platform_device_add_data(pdev, &bq27000_battery_info, sizeof(bq27000_battery_info)); + if (ret) + goto pdev_add_failed; pdev->dev.parent = &sl->dev; ret = platform_device_add(pdev); @@ -68,7 +70,7 @@ static int w1_bq27000_add_slave(struct w1_slave *sl) goto success; pdev_add_failed: - platform_device_unregister(pdev); + platform_device_put(pdev); success: return ret; } |