[PATCH 6/7] smb: Fix potential divide-by-zero issue when iface_min_speed is 0

[Bharath SM <bharathsm.hsk@gmail.com>]

Address potential divide-by-zero issue when iface_min_speed is 0
by adding proper handling to prevent undefined behavior.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
---
 fs/smb/client/cifs_debug.c | 2 +-
 fs/smb/client/sess.c       | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index 3fdf75737d43..bc56f315e2e0 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -599,7 +599,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 				seq_printf(m, "\n\t%d)", ++j);
 				cifs_dump_iface(m, iface);
 
-				iface_weight = iface->speed / iface_min_speed;
+				iface_weight = iface_min_speed ? (iface->speed / iface_min_speed) : 0;
 				seq_printf(m, "\t\tWeight (cur,total): (%zu,%zu)"
 					   "\n\t\tAllocated channels: %u\n",
 					   iface->weight_fulfilled,
diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
index ec0db32c7d98..697170be6591 100644
--- a/fs/smb/client/sess.c
+++ b/fs/smb/client/sess.c
@@ -218,7 +218,7 @@ int cifs_try_adding_channels(struct cifs_ses *ses)
 				continue;
 
 			/* check if we already allocated enough channels */
-			iface_weight = iface->speed / iface_min_speed;
+			iface_weight = iface_min_speed ? (iface->speed / iface_min_speed) : 0;
 
 			if (iface->weight_fulfilled >= iface_weight)
 				continue;
@@ -387,7 +387,7 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
 		}
 
 		/* check if we already allocated enough channels */
-		iface_weight = iface->speed / iface_min_speed;
+		iface_weight = iface_min_speed ? (iface->speed / iface_min_speed) : 0;
 
 		if (iface->weight_fulfilled >= iface_weight)
 			continue;
-- 
2.43.0