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sysoff: Initialize data for ioctl(PTP_SYS_OFFSET). 

This fixes valgrind errors.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
master
Miroslav Lichvar 2018-11-12 17:27:58 +01:00 committed by Richard Cochran
parent 14ac29b059
commit c0e49c7088
1 changed files with 2 additions and 0 deletions
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2
sysoff.c
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@ -18,6 +18,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/ */
#include <stdio.h> #include <stdio.h>
#include <string.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <linux/ptp_clock.h> #include <linux/ptp_clock.h>
@ -76,6 +77,7 @@ int sysoff_measure(int fd, int n_samples,
int64_t *result, uint64_t *ts, int64_t *delay) int64_t *result, uint64_t *ts, int64_t *delay)
{ {
struct ptp_sys_offset pso; struct ptp_sys_offset pso;
memset(&pso, 0, sizeof(pso));
pso.n_samples = n_samples; pso.n_samples = n_samples;
if (ioctl(fd, PTP_SYS_OFFSET, &pso)) { if (ioctl(fd, PTP_SYS_OFFSET, &pso)) {
perror("ioctl PTP_SYS_OFFSET"); perror("ioctl PTP_SYS_OFFSET");