mirror of https://gitee.com/openkylin/linux.git
drivers/cdrom/gdrom.c: fix device number leak
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>
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@ -830,9 +830,9 @@ static int probe_gdrom(struct platform_device *devptr)
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del_gendisk(gd.disk);
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probe_fail_no_disk:
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kfree(gd.cd_info);
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probe_fail_no_mem:
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unregister_blkdev(gdrom_major, GDROM_DEV_NAME);
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gdrom_major = 0;
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probe_fail_no_mem:
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pr_warning("Probe failed - error is 0x%X\n", err);
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return err;
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}
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