diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index bd9365d375f9d748d1b23ffecfbae602db5ccdfc..a0a61dc752afd3d4411b8e23f5cbab95fc873dcb 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -4243,6 +4243,11 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
 
 	cifs_sb->wsize = server->ops->negotiate_wsize(tcon, volume_info);
 	cifs_sb->rsize = server->ops->negotiate_rsize(tcon, volume_info);
+	if (cifs_sb->rsize == 0) {
+		cifs_dbg(VFS, "Negotiated rsize is 0, mount failed\n");
+		rc = -EINVAL;
+		goto mount_fail_check;
+	}
 
 remote_path_check:
 #ifdef CONFIG_CIFS_DFS_UPCALL