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fix possible memory leaks

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This commit is contained in:
c0ntrol
2018-09-15 21:04:39 +02:00
parent 109dddf43c
commit fcc1432132
1 changed files with 16 additions and 2 deletions
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18
veejay-current/veejay-server/libstream/v4l2utils.c
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@@ -1065,6 +1065,12 @@ void *v4l2open ( const char *file, const int input_channel, int host_fmt, int wi
}
v->buffers = (bufs*) calloc( v->reqbuf.count, sizeof(*v->buffers));
if(!v->buffers) {
veejay_msg(0, "v4l2: Memory allocation failed");
free(v);
close(fd);
return NULL;
}
for( i = 0; i < v->reqbuf.count; i ++ ) {
memset( &(v->buffer), 0, sizeof(v->buffer));
@@ -1091,6 +1097,7 @@ void *v4l2open ( const char *file, const int input_channel, int host_fmt, int wi
// munmap( v->buffer[k].start, v->buffer[k].length );
free(v->buffers);
v->buffers = NULL;
//free(v);
//close(fd);
//return NULL;
@@ -1102,6 +1109,7 @@ void *v4l2open ( const char *file, const int input_channel, int host_fmt, int wi
if( v4l2_vidioc_qbuf( v ) == -1 ) {
veejay_msg(0, "v4l2: VIDIOC_QBUF failed with:%d, %s", errno,strerror(errno));
free(v->buffers);
v->buffers = NULL;
// free(v);
// close(fd);
// return NULL;
@@ -1120,14 +1128,14 @@ void *v4l2open ( const char *file, const int input_channel, int host_fmt, int wi
v->fd = open( file , O_RDWR );
if(v->fd <= 0 ) {
veejay_msg(0,"v4l2: Cannot re-open device:%d,%s",errno,strerror(errno));
free(v->buffers);
if(v->buffers) free(v->buffers);
free(v);
return NULL;
}
v->rw = 1;
goto v4l2_rw_fallback;
} else{
free(v->buffers);
if(v->buffers) free(v->buffers);
free(v);
close(fd);
return NULL;
@@ -1154,6 +1162,12 @@ v4l2_rw_fallback:
v->format.fmt.pix.sizeimage = min;
v->sizeimage = v->format.fmt.pix.sizeimage;
if(v->buffers != NULL) {
veejay_msg(VEEJAY_MSG_DEBUG,"v4l2: read/write buffer is dirty, re-allocate");
free(v->buffers);
}
v->buffers = (bufs*) calloc( 1, sizeof(*v->buffers));
veejay_msg(VEEJAY_MSG_DEBUG,"v4l2: read/write buffer size is %d bytes", v->format.fmt.pix.sizeimage );