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drivers/cdrom/gdrom.c: fix device number leak

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Without this patch, gdrom_major will leak when gd.cd_info alloc fails.

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Cc: Jens Axboe <axboe@kernel.dk>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Libo Chen
2013-07-03 15:01:11 -07:00
committed by Linus Torvalds
parent 4a184b4ff4
commit 31bd8fbb41
1 changed files with 1 additions and 1 deletions
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2
drivers/cdrom/gdrom.c
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@@ -830,9 +830,9 @@ probe_fail_cdrom_register:
del_gendisk(gd.disk); del_gendisk(gd.disk);
probe_fail_no_disk: probe_fail_no_disk:
kfree(gd.cd_info); kfree(gd.cd_info);
probe_fail_no_mem:
unregister_blkdev(gdrom_major, GDROM_DEV_NAME); unregister_blkdev(gdrom_major, GDROM_DEV_NAME);
gdrom_major = 0; gdrom_major = 0;
probe_fail_no_mem:
pr_warning("Probe failed - error is 0x%X\n", err); pr_warning("Probe failed - error is 0x%X\n", err);
return err; return err;
} }