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Subject[PATCH AUTOSEL 5.5 478/542] cifs: fix unitialized variable poential problem with network I/O cache lock patch
Date
From: Steve French <stfrench@microsoft.com>

[ Upstream commit 463a7b457c02250a84faa1d23c52da9e3364aed2 ]

static analysis with Coverity detected an issue with the following
commit:

Author: Paulo Alcantara (SUSE) <pc@cjr.nz>
Date: Wed Dec 4 17:38:03 2019 -0300

cifs: Avoid doing network I/O while holding cache lock

Addresses-Coverity: ("Uninitialized pointer read")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/cifs/dfs_cache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 2faa05860a483..cf6cec59696c2 100644
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -1319,7 +1319,7 @@ static struct cifs_ses *find_root_ses(struct dfs_cache_vol_info *vi,
char *mdata = NULL, *devname = NULL;
struct TCP_Server_Info *server;
struct cifs_ses *ses;
- struct smb_vol vol;
+ struct smb_vol vol = {NULL};

rpath = get_dfs_root(path);
if (IS_ERR(rpath))
--
2.20.1
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