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pstore/platform: fix potential mem leak if pstore_init_fs failed

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[ Upstream commit 8a57d6d4ddfa41c49014e20493152c41a38fcbf8 ]

There is a potential mem leak when pstore_init_fs failed,
since the pstore compression maybe unlikey to initialized
successfully. We must clean up the allocation once this
unlikey issue happens.

Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Link: https://lore.kernel.org/r/1581068800-13817-1-git-send-email-qiwuchen55@gmail.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
chenqiwu 2020-02-07 17:46:39 +08:00 committed by Greg Kroah-Hartman
parent 347f091094
commit aa547b9dc2
1 changed files with 2 additions and 2 deletions
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4
fs/pstore/platform.c
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@ -823,9 +823,9 @@ static int __init pstore_init(void)
ret = pstore_init_fs();
if (ret)
return ret;
free_buf_for_compression();
return 0;
return ret;
}
late_initcall(pstore_init);