From 786e245e809ddceadcc5d105616ef59fe30a1718 Mon Sep 17 00:00:00 2001
From: 0xBat <monsterbat02@gmail.com>
Date: Mon, 5 Jan 2026 02:11:45 +0100
Subject: [PATCH] doc/examples/qsv_transcode: check for allocation failure

Validate return value of av_malloc for dynamic_setting to avoid null pointer dereference.

Signed-off-by: 0xBat <monsterbat02@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 doc/examples/qsv_transcode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/examples/qsv_transcode.c b/doc/examples/qsv_transcode.c
index 13b4933041..c3f507e8e6 100644
--- a/doc/examples/qsv_transcode.c
+++ b/doc/examples/qsv_transcode.c
@@ -351,6 +351,10 @@ int main(int argc, char **argv)
     }
     setting_number = (argc - 5) / 2;
     dynamic_setting = av_malloc(setting_number * sizeof(*dynamic_setting));
+    if (!dynamic_setting) {
+        ret = AVERROR(ENOMEM);
+        goto end;
+    }
     current_setting_number = 0;
     for (int i = 0; i < setting_number; i++) {
         dynamic_setting[i].frame_number = atoi(argv[i*2 + 5]);