[Ffmpeg-devel] [PATCH] tiny patch for v4l2 initialization

[R. Brian Anderson]

Here's a few lines to fix a segfault I encountered.

Regards,
Brian
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Index: libavformat/v4l2.c
===================================================================
--- libavformat/v4l2.c	(revision 5479)
+++ libavformat/v4l2.c	(working copy)
@@ -457,7 +457,9 @@
     if (capabilities & V4L2_CAP_STREAMING) {
         s->io_method = io_mmap;
         res = mmap_init(s);
-        res = mmap_start(s);
+        if (res == 0) {
+            res = mmap_start(s);
+        }
     } else {
         s->io_method = io_read;
         res = read_init(s);