Initialize unused fields in ioctl arguments

This change is essentially cosmetic:  Set fields of structs passed to
the kernel via ioctl so that valgrind will not complain about them.

Signed-off-by: Jay Fenlason <fenlason@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (changelog, comments)

2 files changed, 3 insertions, 0 deletions

diff --git a/src/fw-iso.c b/src/fw-iso.c
index 466b638..677b98d 100644
--- a/src/fw-iso.c
+++ b/src/fw-iso.c
@@ -140,6 +140,8 @@ int fw_iso_xmit_start(raw1394handle_t handle, int start_on_cycle,
 		return -1;
 
 	if (fwhandle->iso.prebuffer <= fwhandle->iso.packet_count) {
+		start_iso.sync   = 0; /* unused */
+		start_iso.tags   = 0; /* unused */
 		start_iso.cycle  = start_on_cycle;
 		start_iso.handle = 0;
 
diff --git a/src/fw.c b/src/fw.c
index d63d0da..7277253 100644
--- a/src/fw.c
+++ b/src/fw.c
@@ -1406,6 +1406,7 @@ iso_resource_modify(raw1394handle_t handle, unsigned int bandwidth,
 	resource.closure = ptr_to_u64(&event);
 	resource.channels = channel >= 0 ? 1ULL << channel : 0;
 	resource.bandwidth = bandwidth;
+	resource.handle = 0; /* unused */
 
 	ioctl_nr = mode == RAW1394_MODIFY_ALLOC ?
 		   FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE :