From: Ronnie Sahlberg <lsahlber@redhat.com>
Date: Thu, 2 Jul 2020 00:55:41 +0000 (+1000)
Subject: cifs: prevent truncation from long to int in wait_for_free_credits
X-Git-Tag: v5.8-rc4~15^2
X-Git-Url: https://repo.jachan.dev/linux.git/commitdiff_plain/19e888678bac8c82206eb915eaf72741b2a2615c

cifs: prevent truncation from long to int in wait_for_free_credits

The wait_event_... defines evaluate to long so we should not assign it an int as this may truncate
the value.

Reported-by: Marshall Midden <marshallmidden@gmail.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index d11e31064679..84433d0653f9 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -523,7 +523,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int num_credits,
 		      const int timeout, const int flags,
 		      unsigned int *instance)
 {
-	int rc;
+	long rc;
 	int *credits;
 	int optype;
 	long int t;