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Re: [PATCH] iwmc3200wifi: Fix test of unsigned in iwm_ntf_stop_resume_tx()

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`queue' was unsigned so the test did not work.

Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
Found using coccinelle: http://coccinelle.lip6.fr/

>> -			if (queue < 0)
>> +			if (queue == -EINVAL)
> 
> I think it's ugly.  iwm_tid_to_queue() should return int if it's allowed
> to return error codes.

Ok, how about:

 drivers/net/wireless/iwmc3200wifi/iwm.h    |    2 +-
 drivers/net/wireless/iwmc3200wifi/netdev.c |    2 +-
 drivers/net/wireless/iwmc3200wifi/rx.c     |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index 5a26bb0..79ffa3b 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -349,7 +349,7 @@ int iwm_up(struct iwm_priv *iwm);
 int iwm_down(struct iwm_priv *iwm);
 
 /* TX API */
-u16 iwm_tid_to_queue(u16 tid);
+int iwm_tid_to_queue(u16 tid);
 void iwm_tx_credit_inc(struct iwm_priv *iwm, int id, int total_freed_pages);
 void iwm_tx_worker(struct work_struct *work);
 int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c
index e4f0f87..c4c0d23 100644
--- a/drivers/net/wireless/iwmc3200wifi/netdev.c
+++ b/drivers/net/wireless/iwmc3200wifi/netdev.c
@@ -76,7 +76,7 @@ static int iwm_stop(struct net_device *ndev)
  */
 static const u16 iwm_1d_to_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
 
-u16 iwm_tid_to_queue(u16 tid)
+int iwm_tid_to_queue(u16 tid)
 {
 	if (tid > IWM_UMAC_TID_NR - 2)
 		return -EINVAL;
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 1c57c1f..6d6ed74 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1126,7 +1126,7 @@ static int iwm_ntf_stop_resume_tx(struct iwm_priv *iwm, u8 *buf,
 
 		if (!stop) {
 			struct iwm_tx_queue *txq;
-			u16 queue = iwm_tid_to_queue(bit);
+			int queue = iwm_tid_to_queue(bit);
 
 			if (queue < 0)
 				continue;
--
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