File libunicap-0.9.12-memerrs.patch of Package libunicap

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File libunicap-0.9.12-memerrs.patch of Package libunicap

From 739d6bde46f6d7dd68e228f2a27eb039d0550999 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Thu, 7 Oct 2010 10:56:06 +0200
Subject: [PATCH] libunicap: fix various memory errors

Index: libunicap-0.9.12/cpi/dcam/dcam_v_modes.c
===================================================================
--- libunicap-0.9.12.orig/cpi/dcam/dcam_v_modes.c	2020-06-05 10:53:06.896699260 +0200
+++ libunicap-0.9.12/cpi/dcam/dcam_v_modes.c	2020-06-05 10:53:18.353163741 +0200
@@ -182,7 +182,8 @@ unicap_status_t _dcam_prepare_format_arr
 		  int index = _dcam_get_mode_index( f, i );
 		  TRACE( "f: %d m: %d  index: %d (%s)\n", f, i, index, _dcam_unicap_formats[index].identifier );
 		  TRACE( "size: %d x %d\n", _dcam_unicap_formats[index].size.width, _dcam_unicap_formats[index].size.height );
-		  memcpy( format_array + current_format, &_dcam_unicap_formats[index], sizeof( unicap_format_t ) );
+		  if( 0 < index )
+		     memcpy( format_array + current_format, &_dcam_unicap_formats[index], sizeof( unicap_format_t ) );
 		  current_format++;
 	       }
 	    }
Index: libunicap-0.9.12/cpi/euvccam/euvccam_capture.c
===================================================================
--- libunicap-0.9.12.orig/cpi/euvccam/euvccam_capture.c	2020-06-05 10:53:06.896699260 +0200
+++ libunicap-0.9.12/cpi/euvccam/euvccam_capture.c	2020-06-05 10:53:18.353163741 +0200
@@ -231,6 +231,7 @@ static void *capture_thread( euvccam_han
       if( ret < 0 ){
 	 TRACE( "Failed to submit urb!\n" );
 	 perror( "ioctl" );
+	 free( urb );
 	 return NULL;
       }
 
Index: libunicap-0.9.12/cpi/v4l/v4l.c
===================================================================
--- libunicap-0.9.12.orig/cpi/v4l/v4l.c	2020-06-05 10:53:06.896699260 +0200
+++ libunicap-0.9.12/cpi/v4l/v4l.c	2020-06-05 10:53:18.353163741 +0200
@@ -292,7 +292,7 @@ static unicap_status_t v4l_open( void **
 	v4l_handle_t v4lhandle;
 	
 	*cpi_data = malloc( sizeof( struct _v4l_handle ) );
-	if( !cpi_data )
+	if( !*cpi_data )
 	{
 		TRACE( "malloc failed\n" );
 		return STATUS_FAILURE;
Index: libunicap-0.9.12/cpi/v4l2cpi/v4l2.c
===================================================================
--- libunicap-0.9.12.orig/cpi/v4l2cpi/v4l2.c	2020-06-05 10:53:06.896699260 +0200
+++ libunicap-0.9.12/cpi/v4l2cpi/v4l2.c	2020-06-05 10:53:18.353163741 +0200
@@ -864,7 +864,7 @@ static unicap_status_t v4l2_reenumerate_
 
       sizes = build_format_size_table( handle, v4l2_fmt.pixelformat, &size_count );
 		
-      if( size_count == 0 )
+      if( sizes == NULL )
       {
 	 handle->unicap_formats[v4l2_fmt.index].min_size.width = 
 	    handle->unicap_formats[v4l2_fmt.index].min_size.height = 1;
@@ -2152,6 +2152,8 @@ static unicap_status_t v4l2_queue_buffer
       else
       {
 	 TRACE( "queue buffer failed\n" );
+	 free( queue );
+	 /* FIXME: should return STATUS_FAILURE? */
       }
 
       if( ( status == STATUS_NO_BUFFERS ) && ( buffer->type == UNICAP_BUFFER_TYPE_SYSTEM ) )
@@ -2159,6 +2161,10 @@ static unicap_status_t v4l2_queue_buffer
 	 status = STATUS_SUCCESS;
       }
    }
+   else
+   {
+      free( queue );
+   }
 
    
    return STATUS_SUCCESS;
Index: libunicap-0.9.12/cpi/vid21394/vid21394_cpi.c
===================================================================
--- libunicap-0.9.12.orig/cpi/vid21394/vid21394_cpi.c	2020-06-05 10:51:38.609127177 +0200
+++ libunicap-0.9.12/cpi/vid21394/vid21394_cpi.c	2020-06-05 10:53:18.353163741 +0200
@@ -504,9 +504,6 @@ int cpi_close( void *cpi_data )
 {
    vid21394_data_t *data = cpi_data;
 
-   vid21394_close( data->vid21394handle );
-
-
    ucutil_destroy_queue( data->in_queue );
    ucutil_destroy_queue( data->out_queue );	
 	
@@ -515,6 +512,8 @@ int cpi_close( void *cpi_data )
       free( data->vid21394handle->unicap_handle );
    }
 
+   vid21394_close( data->vid21394handle );
+
    g_instance_count--;
    free( data );

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File libunicap-0.9.12-memerrs.patch of Package libunicap

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