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authorShyam Prasad N <sprasad@microsoft.com>2026-02-14 15:59:13 +0530
committerSasha Levin <sashal@kernel.org>2026-03-04 07:21:19 -0500
commitc854ab481ece4b3e5f4c2e8b22824f015ff874a5 (patch)
tree5109c78cf6f08b3310676144c585543675f544f0
parent6a3ce8c8ad806397dc54a60bc653b38aacc2f552 (diff)
cifs: some missing initializations on replay
[ Upstream commit 14f66f44646333d2bfd7ece36585874fd72f8286 ] In several places in the code, we have a label to signify the start of the code where a request can be replayed if necessary. However, some of these places were missing the necessary reinitializations of certain local variables before replay. This change makes sure that these variables get initialized after the label. Cc: stable@vger.kernel.org Reported-by: Yuchan Nam <entropy1110@gmail.com> Tested-by: Yuchan Nam <entropy1110@gmail.com> Signed-off-by: Shyam Prasad N <sprasad@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--fs/smb/client/smb2ops.c2
-rw-r--r--fs/smb/client/smb2pdu.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 2baa25703f72..63752bd02aaf 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -1144,6 +1144,7 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
replay_again:
/* reinitialize for possible replay */
+ used_len = 0;
flags = CIFS_CP_CREATE_CLOSE_OP;
oplock = SMB2_OPLOCK_LEVEL_NONE;
server = cifs_pick_channel(ses);
@@ -1542,6 +1543,7 @@ smb2_ioctl_query_info(const unsigned int xid,
replay_again:
/* reinitialize for possible replay */
+ buffer = NULL;
flags = CIFS_CP_CREATE_CLOSE_OP;
oplock = SMB2_OPLOCK_LEVEL_NONE;
server = cifs_pick_channel(ses);
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index aec56130e17c..ea73fc5da603 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -2850,6 +2850,7 @@ int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
replay_again:
/* reinitialize for possible replay */
+ pc_buf = NULL;
flags = 0;
n_iov = 2;
server = cifs_pick_channel(ses);