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module-avb: check ioctl for success

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Nils Tonnaett 2026-01-16 20:45:32 -08:00 • committed by hackerman-kl
parent 07533eb590
commit c8f2edd94e
1 changed files with 4 additions and 1 deletions
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5
src/modules/module-avb/gptp.c
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@ -78,7 +78,10 @@ static bool update_ts_refclk(struct gptp *gptp) {
int avail; int avail;
uint8_t tmp; uint8_t tmp;
ioctl(gptp->ptp_fd, FIONREAD, &avail); if (ioctl(gptp->ptp_fd, FIONREAD, &avail) == -1) {
pw_log_warn("Failed to get number of byes in ptp_fd input buffer: %m");
return false;
}
pw_log_debug("Flushing stale data: %u bytes", avail); pw_log_debug("Flushing stale data: %u bytes", avail);
while (avail-- && read(gptp->ptp_fd, &tmp, 1)); while (avail-- && read(gptp->ptp_fd, &tmp, 1));