diff mbox series

[4.19,025/146] pstore/platform: fix potential mem leak if pstore_init_fs failed

Message ID 20200416131245.888112119@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman April 16, 2020, 1:22 p.m. UTC 
From: chenqiwu <chenqiwu@xiaomi.com>

[ 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>
---
 fs/pstore/platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 4bae3f4fe829d..dcd9c3163587c 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -802,9 +802,9 @@  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);