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ath10k: txrx: remove unreachable negative return check and fixup type 

wait_event_timeout(), introduced in 'commit 5e3dd157d7 ("ath10k: mac80211
driver for Qualcomm Atheros 802.11ac CQA98xx devices")' never returns < 0
so the only failure condition to be checked is == 0 (timeout). Further the
return type is long not int - an appropriately named variable is added
and the assignments fixed up.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Nicholas Mc Guire 2015-06-15 14:46:43 +03:00 committed by Kalle Valo
parent d4298a3a8c
commit 71c47df4aa
1 changed files with 3 additions and 3 deletions
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6
drivers/net/wireless/ath/ath10k/txrx.c
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@ -147,9 +147,9 @@ struct ath10k_peer *ath10k_peer_find_by_id(struct ath10k *ar, int peer_id)
static int ath10k_wait_for_peer_common(struct ath10k *ar, int vdev_id,
const u8 *addr, bool expect_mapped)
{
int ret;
long time_left;
ret = wait_event_timeout(ar->peer_mapping_wq, ({
time_left = wait_event_timeout(ar->peer_mapping_wq, ({
bool mapped;
spin_lock_bh(&ar->data_lock);
@ -160,7 +160,7 @@ static int ath10k_wait_for_peer_common(struct ath10k *ar, int vdev_id,
test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags));
}), 3*HZ);
if (ret <= 0)
if (time_left == 0)
return -ETIMEDOUT;
return 0;