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[5.4,242/314] afs: Fix memory leak in afs_put_sysnames()

Message ID 20200623195350.505331560@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH June 23, 2020, 7:57 p.m. UTC 
From: Zhihao Cheng <chengzhihao1@huawei.com>

[ Upstream commit 2ca068be09bf8e285036603823696140026dcbe7 ]

Fix afs_put_sysnames() to actually free the specified afs_sysnames
object after its reference count has been decreased to zero and
its contents have been released.

Fixes: 6f8880d8e681557 ("afs: Implement @sys substitution handling")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/afs/proc.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index fba2ec3a3a9c9..106b27011f6d5 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -562,6 +562,7 @@  void afs_put_sysnames(struct afs_sysnames *sysnames)
 			if (sysnames->subs[i] != afs_init_sysname &&
 			    sysnames->subs[i] != sysnames->blank)
 				kfree(sysnames->subs[i]);
+		kfree(sysnames);
 	}
 }