FAILED: patch "[PATCH] ksmbd: Unlock on in ksmbd_tcp_set_interfaces()" failed to apply to 5.15-stable tree

FAILED: patch "[PATCH] ksmbd: Unlock on in ksmbd_tcp_set_interfaces()" failed to apply to 5.15-stable tree

[gregkh]

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 844436e045ac2ab7895d8b281cb784a24de1d14d
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024090848-botch-appointee-7cb2@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:

844436e045ac ("ksmbd: Unlock on in ksmbd_tcp_set_interfaces()")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 844436e045ac2ab7895d8b281cb784a24de1d14d Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Thu, 29 Aug 2024 22:22:35 +0300
Subject: [PATCH] ksmbd: Unlock on in ksmbd_tcp_set_interfaces()

Unlock before returning an error code if this allocation fails.

Fixes: 0626e6641f6b ("cifsd: add server handler for central processing and tranport layers")
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c
index a84788396daa..aaed9e293b2e 100644
--- a/fs/smb/server/transport_tcp.c
+++ b/fs/smb/server/transport_tcp.c
@@ -624,8 +624,10 @@ int ksmbd_tcp_set_interfaces(char *ifc_list, int ifc_list_sz)
 		for_each_netdev(&init_net, netdev) {
 			if (netif_is_bridge_port(netdev))
 				continue;
-			if (!alloc_iface(kstrdup(netdev->name, GFP_KERNEL)))
+			if (!alloc_iface(kstrdup(netdev->name, GFP_KERNEL))) {
+				rtnl_unlock();
 				return -ENOMEM;
+			}
 		}
 		rtnl_unlock();
 		bind_additional_ifaces = 1;