Check most demux_t.p_sys allocations

(cherry picked from commit 1cdbc7b6f2294024815f3d28128c8a7bf21156cb)

modules/demux/cdg.c

@@ -89,9 +89,13 @@ static int Open( vlc_object_t * p_this )
 //        return VLC_EGENERIC;
 //    }
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     p_demux->pf_demux   = Demux;
     p_demux->pf_control = Control;
-    p_demux->p_sys      = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys      = p_sys;
 
     /* */
     es_format_Init( &p_sys->fmt, VIDEO_ES, VLC_CODEC_CDG );

modules/demux/flac.c

@@ -118,9 +118,13 @@ static int Open( vlc_object_t * p_this )
                  "continuing anyway" );
     }
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     p_demux->pf_demux   = Demux;
     p_demux->pf_control = Control;
-    p_demux->p_sys      = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys      = p_sys;
     p_sys->b_start = true;
     p_sys->p_meta = NULL;
     memset( &p_sys->replay_gain, 0, sizeof(p_sys->replay_gain) );

modules/demux/mjpeg.c

@@ -305,8 +305,12 @@ static int Open( vlc_object_t * p_this )
     bool        b_matched = false;
     float       f_fps;
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     p_demux->pf_control = Control;
-    p_demux->p_sys      = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys      = p_sys;
     p_sys->p_es         = NULL;
     p_sys->i_time       = 0;
     p_sys->i_level      = 0;

modules/demux/nsv.c

@@ -104,10 +104,14 @@ static int Open( vlc_object_t *p_this )
             return VLC_EGENERIC;
     }
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     /* Fill p_demux field */
+    p_demux->p_sys = p_sys;
     p_demux->pf_demux = Demux;
     p_demux->pf_control = Control;
-    p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 
     es_format_Init( &p_sys->fmt_audio, AUDIO_ES, 0 );
     p_sys->p_audio = NULL;

modules/demux/pva.c

@@ -92,10 +92,14 @@ static int Open( vlc_object_t *p_this )
             return VLC_EGENERIC;
     }
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     /* Fill p_demux field */
     p_demux->pf_demux = Demux;
     p_demux->pf_control = Control;
-    p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys = p_sys;
 
     /* Register one audio and one video stream */
     es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_MPGA );

modules/demux/ty.c

@@ -319,12 +319,16 @@ static int Open(vlc_object_t *p_this)
 	/* at this point, we assume we have a valid TY stream */  
     msg_Dbg( p_demux, "valid TY stream detected" );
 
+    p_sys = malloc(sizeof(demux_sys_t));
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     /* Set exported functions */
     p_demux->pf_demux = Demux;
     p_demux->pf_control = Control;
 
     /* create our structure that will hold all data */
-    p_demux->p_sys = p_sys = malloc(sizeof(demux_sys_t));
+    p_demux->p_sys = p_sys;
     memset(p_sys, 0, sizeof(demux_sys_t));
 
     /* set up our struct (most were zero'd out with the memset above) */

modules/demux/vc1.c

@@ -96,9 +96,13 @@ static int Open( vlc_object_t * p_this )
                  "continuing anyway" );
     }
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely(p_sys == NULL) )
+        return VLC_ENOMEM;
+
     p_demux->pf_demux  = Demux;
     p_demux->pf_control= Control;
-    p_demux->p_sys     = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys     = p_sys;
     p_sys->p_es        = NULL;
     p_sys->i_dts       = 0;
     p_sys->f_fps = var_CreateGetFloat( p_demux, "vc1-fps" );

modules/demux/xa.c

@@ -102,9 +102,13 @@ static int Open( vlc_object_t * p_this )
      || ( GetWLE( &p_xa.wBitsPerSample ) != 16) )
         return VLC_EGENERIC;
 
+    p_sys = malloc( sizeof( demux_sys_t ) );
+    if( unlikely( p_sys == NULL ) )
+        return VLC_ENOMEM;
+
     p_demux->pf_demux   = Demux;
     p_demux->pf_control = Control;
-    p_demux->p_sys      = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys      = p_sys;
     p_sys->p_es         = NULL;
 
     /* skip XA header -- cannot fail */