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127 lines
4.2 KiB
127 lines
4.2 KiB
From 739d6bde46f6d7dd68e228f2a27eb039d0550999 Mon Sep 17 00:00:00 2001
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From: Kamil Dudka <kdudka@redhat.com>
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Date: Thu, 7 Oct 2010 10:56:06 +0200
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Subject: [PATCH] libunicap: fix various memory errors
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---
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cpi/dcam/dcam_v_modes.c | 3 ++-
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cpi/euvccam/euvccam_capture.c | 1 +
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cpi/v4l/v4l.c | 2 +-
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cpi/v4l2cpi/v4l2.c | 12 ++++++++++--
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cpi/vid21394/vid21394_cpi.c | 5 ++---
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src/unicap.c | 2 ++
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6 files changed, 18 insertions(+), 7 deletions(-)
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diff --git a/cpi/dcam/dcam_v_modes.c b/cpi/dcam/dcam_v_modes.c
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index 2b8e45a..05dd318 100644
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--- a/cpi/dcam/dcam_v_modes.c
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+++ b/cpi/dcam/dcam_v_modes.c
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@@ -182,7 +182,8 @@ unicap_status_t _dcam_prepare_format_array( dcam_handle_t dcamhandle,
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int index = _dcam_get_mode_index( f, i );
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TRACE( "f: %d m: %d index: %d (%s)\n", f, i, index, _dcam_unicap_formats[index].identifier );
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TRACE( "size: %d x %d\n", _dcam_unicap_formats[index].size.width, _dcam_unicap_formats[index].size.height );
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- memcpy( format_array + current_format, &_dcam_unicap_formats[index], sizeof( unicap_format_t ) );
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+ if( 0 < index )
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+ memcpy( format_array + current_format, &_dcam_unicap_formats[index], sizeof( unicap_format_t ) );
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current_format++;
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}
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}
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diff --git a/cpi/euvccam/euvccam_capture.c b/cpi/euvccam/euvccam_capture.c
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index 2909bdb..d4ea60e 100644
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--- a/cpi/euvccam/euvccam_capture.c
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+++ b/cpi/euvccam/euvccam_capture.c
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@@ -231,6 +231,7 @@ static void *capture_thread( euvccam_handle_t handle )
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if( ret < 0 ){
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TRACE( "Failed to submit urb!\n" );
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perror( "ioctl" );
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+ free( urb );
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return NULL;
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}
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diff --git a/cpi/v4l/v4l.c b/cpi/v4l/v4l.c
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index 91b7e87..416dc30 100644
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--- a/cpi/v4l/v4l.c
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+++ b/cpi/v4l/v4l.c
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@@ -292,7 +292,7 @@ static unicap_status_t v4l_open( void **cpi_data, unicap_device_t *device )
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v4l_handle_t v4lhandle;
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*cpi_data = malloc( sizeof( struct _v4l_handle ) );
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- if( !cpi_data )
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+ if( !*cpi_data )
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{
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TRACE( "malloc failed\n" );
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return STATUS_FAILURE;
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diff --git a/cpi/v4l2cpi/v4l2.c b/cpi/v4l2cpi/v4l2.c
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index ba3d5b3..925659c 100644
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--- a/cpi/v4l2cpi/v4l2.c
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+++ b/cpi/v4l2cpi/v4l2.c
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@@ -864,7 +864,7 @@ static unicap_status_t v4l2_reenumerate_formats( void *cpi_data, int *_pcount )
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sizes = build_format_size_table( handle, v4l2_fmt.pixelformat, &size_count );
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- if( size_count == 0 )
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+ if( sizes == NULL )
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{
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handle->unicap_formats[v4l2_fmt.index].min_size.width =
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handle->unicap_formats[v4l2_fmt.index].min_size.height = 1;
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@@ -2148,6 +2150,8 @@ static unicap_status_t v4l2_queue_buffer( void *cpi_data, unicap_data_buffer_t *
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else
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{
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TRACE( "queue buffer failed\n" );
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+ free( queue );
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+ /* FIXME: should return STATUS_FAILURE? */
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}
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if( ( status == STATUS_NO_BUFFERS ) && ( buffer->type == UNICAP_BUFFER_TYPE_SYSTEM ) )
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@@ -2155,6 +2159,10 @@ static unicap_status_t v4l2_queue_buffer( void *cpi_data, unicap_data_buffer_t *
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status = STATUS_SUCCESS;
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}
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}
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+ else
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+ {
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+ free( queue );
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+ }
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return STATUS_SUCCESS;
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diff --git a/cpi/vid21394/vid21394_cpi.c b/cpi/vid21394/vid21394_cpi.c
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index c79e8db..e3778e4 100644
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--- a/cpi/vid21394/vid21394_cpi.c
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+++ b/cpi/vid21394/vid21394_cpi.c
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@@ -504,9 +504,6 @@ int cpi_close( void *cpi_data )
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{
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vid21394_data_t *data = cpi_data;
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- vid21394_close( data->vid21394handle );
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-
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-
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ucutil_destroy_queue( data->in_queue );
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ucutil_destroy_queue( data->out_queue );
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@@ -515,6 +512,8 @@ int cpi_close( void *cpi_data )
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free( data->vid21394handle->unicap_handle );
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}
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+ vid21394_close( data->vid21394handle );
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+
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g_instance_count--;
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free( data );
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diff --git a/src/unicap.c b/src/unicap.c
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index 5cfa673..f56c6f0 100644
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--- a/src/unicap.c
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+++ b/src/unicap.c
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@@ -1521,7 +1521,9 @@ unicap_status_t unicap_data_buffer_unref( unicap_data_buffer_t *buffer )
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buffer->private->unref_func (buffer, buffer->private->unref_func_data);
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}
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if (buffer->private->ref_count == 0 ){
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+ sem_post (&buffer->private->lock);
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unicap_data_buffer_free( buffer );
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+ return STATUS_SUCCESS;
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}
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}else{
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TRACE( "unref of a buffer with refcount <= 0!" );
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--
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1.7.2.3
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