From 742a61430ae5cd323f1da8b250e7e7b5fd7d1d02 Mon Sep 17 00:00:00 2001
From: "Alfred E. Heggestad" <alfred.heggestad@gmail.com>
Date: Sun, 15 Jan 2017 17:36:55 +0100
Subject: sdl2: check input arguments

---
 modules/sdl2/sdl.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'modules')

diff --git a/modules/sdl2/sdl.c b/modules/sdl2/sdl.c
index 4487e43..7199cdf 100644
--- a/modules/sdl2/sdl.c
+++ b/modules/sdl2/sdl.c
@@ -70,6 +70,9 @@ static int alloc(struct vidisp_st **stp, const struct vidisp *vd,
 	(void)resizeh;
 	(void)arg;
 
+	if (!stp || !vd)
+		return EINVAL;
+
 	st = mem_zalloc(sizeof(*st), destructor);
 	if (!st)
 		return ENOMEM;
@@ -93,6 +96,9 @@ static int display(struct vidisp_st *st, const char *title,
 	int pitch, ret;
 	unsigned i, h;
 
+	if (!st || !frame)
+		return EINVAL;
+
 	if (!vidsz_cmp(&st->size, &frame->size)) {
 		if (st->size.w && st->size.h) {
 			info("sdl: reset size: %u x %u ---> %u x %u\n",
-- 
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