From 3370b6b6a41a27123a45b95ba4820395127c84e7 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 8 Oct 2018 13:05:09 +1000
Subject: [PATCH xf86-video-v4l 3/4] Fix handling of realloc failure

Coverity complaint and whatnot

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Dave Airlie <airlied@redhat.com>
---
 src/v4l.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/v4l.c b/src/v4l.c
index 583c7b8..8c2408c 100644
--- a/src/v4l.c
+++ b/src/v4l.c
@@ -1120,6 +1120,7 @@ V4LInit(ScrnInfoPtr pScrn, XF86VideoAdaptorPtr **adaptors)
     XF86VideoAdaptorPtr *VAR = NULL;
     char dev[18];
     int  fd,i,j,d;
+    void *tmp;
 
     for (i = 0, d = 0; d < MAX_V4L_DEVICES; d++) {
         sprintf(dev, "/dev/video%d", d);
@@ -1164,7 +1165,11 @@ V4LInit(ScrnInfoPtr pScrn, XF86VideoAdaptorPtr **adaptors)
             return FALSE;
 
         /* alloc VideoAdaptorRec */
-        VAR = realloc(VAR,sizeof(XF86VideoAdaptorPtr)*(i+1));
+        tmp = realloc(VAR,sizeof(XF86VideoAdaptorPtr)*(i+1));
+        if (!tmp)
+            return FALSE;
+        VAR = tmp;
+
         VAR[i] = malloc(sizeof(XF86VideoAdaptorRec));
         if (!VAR[i])
             return FALSE;
-- 
2.17.1