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staging: lustre: handle error returned from wait_event_timeout seltest timer

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The function wait_event_timeout can fail and return an error. Handle
this case in stt_timer_main().

Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
James Simmons
2016-03-12 13:00:33 -05:00
committed by Greg Kroah-Hartman
parent ea25f451a0
commit 3eaf9fcc4b
1 changed files with 6 additions and 4 deletions
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10
drivers/staging/lustre/lnet/selftest/timer.c
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@@ -170,20 +170,22 @@ stt_check_timers(unsigned long *last)
static int
stt_timer_main(void *arg)
{
int rc = 0;
cfs_block_allsigs();
while (!stt_data.stt_shuttingdown) {
stt_check_timers(&stt_data.stt_prev_slot);
wait_event_timeout(stt_data.stt_waitq,
stt_data.stt_shuttingdown,
cfs_time_seconds(STTIMER_SLOTTIME));
rc = wait_event_timeout(stt_data.stt_waitq,
stt_data.stt_shuttingdown,
cfs_time_seconds(STTIMER_SLOTTIME));
}
spin_lock(&stt_data.stt_lock);
stt_data.stt_nthreads--;
spin_unlock(&stt_data.stt_lock);
return 0;
return rc;
}
static int