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* [PATCH] ath10k: txrx: remove unreachable negative return check and fixup type
@ 2015-06-11 16:18 ` Nicholas Mc Guire
  0 siblings, 0 replies; 4+ messages in thread
From: Nicholas Mc Guire @ 2015-06-11 16:18 UTC (permalink / raw)
  To: Kalle Valo
  Cc: ath10k, linux-wireless, netdev, linux-kernel, Nicholas Mc Guire

wait_event_timeout(), introduced in 'commit 5e3dd157d7e7 ("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>
---

Patch was compile tested with x86_64_defconfig + CONFIG_ATH_CARD=y
CONFIG_ATH10K=m

Patch is against 4.1-rc7 (localversion-next is -next-20150611)
 
 drivers/net/wireless/ath/ath10k/txrx.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index 826500b..6cf2891 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -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;
-- 
1.7.10.4


^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH] ath10k: txrx: remove unreachable negative return check and fixup type
@ 2015-06-11 16:18 ` Nicholas Mc Guire
  0 siblings, 0 replies; 4+ messages in thread
From: Nicholas Mc Guire @ 2015-06-11 16:18 UTC (permalink / raw)
  To: Kalle Valo
  Cc: netdev, linux-wireless, linux-kernel, ath10k, Nicholas Mc Guire

wait_event_timeout(), introduced in 'commit 5e3dd157d7e7 ("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>
---

Patch was compile tested with x86_64_defconfig + CONFIG_ATH_CARD=y
CONFIG_ATH10K=m

Patch is against 4.1-rc7 (localversion-next is -next-20150611)
 
 drivers/net/wireless/ath/ath10k/txrx.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index 826500b..6cf2891 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -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;
-- 
1.7.10.4


_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* Re: [PATCH] ath10k: txrx: remove unreachable negative return check and fixup type
  2015-06-11 16:18 ` Nicholas Mc Guire
@ 2015-06-16 10:16   ` Kalle Valo
  -1 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2015-06-16 10:16 UTC (permalink / raw)
  To: Nicholas Mc Guire; +Cc: netdev, linux-wireless, linux-kernel, ath10k

Nicholas Mc Guire <hofrat@osadl.org> writes:

> wait_event_timeout(), introduced in 'commit 5e3dd157d7e7 ("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>

Thanks, applied.

-- 
Kalle Valo

^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [PATCH] ath10k: txrx: remove unreachable negative return check and fixup type
@ 2015-06-16 10:16   ` Kalle Valo
  0 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2015-06-16 10:16 UTC (permalink / raw)
  To: Nicholas Mc Guire; +Cc: netdev, linux-wireless, linux-kernel, ath10k

Nicholas Mc Guire <hofrat@osadl.org> writes:

> wait_event_timeout(), introduced in 'commit 5e3dd157d7e7 ("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>

Thanks, applied.

-- 
Kalle Valo

_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2015-06-16 10:17 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-06-11 16:18 [PATCH] ath10k: txrx: remove unreachable negative return check and fixup type Nicholas Mc Guire
2015-06-11 16:18 ` Nicholas Mc Guire
2015-06-16 10:16 ` Kalle Valo
2015-06-16 10:16   ` Kalle Valo

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