examples/decode_mpeg.c: Fix (CID 17259)

libdvbpsi | branch: master | Jean-Paul Saman <[email protected]> | Fri Apr 11 16:14:13 2014 +0200| [61a703977badf588ffb417e71d740c31d9273ff0] | committer: Jean-Paul Saman

examples/decode_mpeg.c: Fix (CID 17259)

Check i_fd to have a valid value.

> http://git.videolan.org/gitweb.cgi/libdvbpsi.git/?a=commit;h=61a703977badf588ffb417e71d740c31d9273ff0
---

 examples/decode_mpeg.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/examples/decode_mpeg.c b/examples/decode_mpeg.c
index f60f217..1d9f4cb 100644
--- a/examples/decode_mpeg.c
+++ b/examples/decode_mpeg.c
@@ -665,6 +665,13 @@ int main(int i_argc, char* pa_argv[])
         goto error;
     }
 
+    if( i_fd < 0 )
+    {
+        fprintf( stderr, "no input selected\n" );
+        usage( pa_argv[0] );
+        goto error;
+    }
+
     p_stream = (ts_stream_t *) malloc( sizeof(ts_stream_t) );
     if( !p_stream )
         goto out_of_memory;

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