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libraw1394/libraw1394-juju-no-double-f...

52 lines
1.6 KiB

diff -Naurp libraw1394-1.3.0/juju/raw1394-iso.c libraw1394-1.3.0.fix/juju/raw1394-iso.c
--- libraw1394-1.3.0/juju/raw1394-iso.c 2007-10-22 13:55:58.000000000 -0400
+++ libraw1394-1.3.0.fix/juju/raw1394-iso.c 2007-10-22 15:27:54.000000000 -0400
@@ -394,6 +394,7 @@ iso_init(raw1394handle_t handle, int typ
handle->iso.fd = open(handle->local_filename, O_RDWR);
if (handle->iso.fd < 0) {
free(handle->iso.packets);
+ handle->iso.packets = NULL;
return -1;
}
@@ -404,6 +405,7 @@ iso_init(raw1394handle_t handle, int typ
handle->iso.fd, &ep) < 0) {
close(handle->iso.fd);
free(handle->iso.packets);
+ handle->iso.packets = NULL;
return -1;
}
@@ -417,6 +419,8 @@ iso_init(raw1394handle_t handle, int typ
if (retval < 0) {
close(handle->iso.fd);
free(handle->iso.packets);
+ handle->iso.packets = NULL;
+ printf("ioctl call failed, retval = %d\n", retval);
return retval;
}
@@ -427,6 +431,7 @@ iso_init(raw1394handle_t handle, int typ
if (handle->iso.buffer == MAP_FAILED) {
close(handle->iso.fd);
free(handle->iso.packets);
+ handle->iso.packets = NULL;
return -1;
}
@@ -515,8 +520,12 @@ void raw1394_iso_stop(raw1394handle_t ha
void raw1394_iso_shutdown(raw1394handle_t handle)
{
- munmap(handle->iso.buffer,
- handle->iso.buf_packets * handle->iso.max_packet_size);
+ if (handle->iso.buffer) {
+ munmap(handle->iso.buffer,
+ handle->iso.buf_packets * handle->iso.max_packet_size);
+ handle->iso.buffer = NULL;
+ }
close(handle->iso.fd);
free(handle->iso.packets);
+ handle->iso.packets = NULL;
}