xorg-x11-drv-v4l/SOURCES/0003-Fix-handling-of-realloc-failure.patch
2021-10-08 17:44:49 +00:00

42 lines
1.2 KiB
Diff

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