[PATCH 5.15 099/181] cifs: add check for returning value of SMB2_close_init

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From: Anastasia Belova <abelova@xxxxxxxxxxxxx>

[ Upstream commit d520de6cb42e88a1d008b54f935caf9fc05951da ]

If the returning value of SMB2_close_init is an error-value,
exit the function.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 352d96f3acc6 ("cifs: multichannel: move channel selection above transport layer")

Signed-off-by: Anastasia Belova <abelova@xxxxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/cifs/smb2ops.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 2d31860d56e9..30b2efafa2de 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1371,6 +1371,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 	rqst[2].rq_nvec = 1;
 	rc = SMB2_close_init(tcon, server,
 			     &rqst[2], COMPOUND_FID, COMPOUND_FID, false);
+	if (rc)
+		goto sea_exit;
 	smb2_set_related(&rqst[2]);
 
 	rc = compound_send_recv(xid, ses, server,
-- 
2.35.1






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