[PATCH 6.6 159/396] cifs: delete unnecessary NULL checks in cifs_chan_update_iface()

Greg Kroah-Hartman
2024-04-01T16:43:26Z

From: Dan Carpenter <dan.carpenter@linaro.org>

[ Upstream commit c3a11c0ec66c1e0652e3a2bb4f5cc74eea0ba486 ]

We return early if "iface" is NULL so there is no need to check here.
Delete those checks.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: 16a57d768111 ("cifs: reduce warning log level for server not advertising interfaces")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/smb/client/sess.c | 26 +++++++++++---------------
1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
index 0d76757528e49..8dadb21292d16 100644
--- a/fs/smb/client/sess.c
+++ b/fs/smb/client/sess.c
@@ -464,27 +464,23 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
&old_iface->sockaddr);
} else if (!chan_index) {
/* special case: update interface for primary channel */
- if (iface) {
- cifs_dbg(FYI, "referencing primary channel iface: %pIS\n",
- &iface->sockaddr);
- iface->num_channels++;
- iface->weight_fulfilled++;
- }
+ cifs_dbg(FYI, "referencing primary channel iface: %pIS\n",
+ &iface->sockaddr);
+ iface->num_channels++;
+ iface->weight_fulfilled++;
}
spin_unlock(&ses->iface_lock);

- if (iface) {
- spin_lock(&ses->chan_lock);
- chan_index = cifs_ses_get_chan_index(ses, server);
- if (chan_index == CIFS_INVAL_CHAN_INDEX) {
- spin_unlock(&ses->chan_lock);
- return 0;
- }
-
- ses->chans[chan_index].iface = iface;
+ spin_lock(&ses->chan_lock);
+ chan_index = cifs_ses_get_chan_index(ses, server);
+ if (chan_index == CIFS_INVAL_CHAN_INDEX) {
spin_unlock(&ses->chan_lock);
+ return 0;
}

+ ses->chans[chan_index].iface = iface;
+ spin_unlock(&ses->chan_lock);
+
return rc;
}

--
2.43.0