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* [PATCH] ehea: Add some info messages and fix an issue
@ 2010-11-26 16:26 leitao
  2010-11-26 17:01 ` Joe Perches
  0 siblings, 1 reply; 11+ messages in thread
From: leitao @ 2010-11-26 16:26 UTC (permalink / raw)
  To: davem; +Cc: netdev, Breno Leitao

This patch adds some debug information about ehea not being able to
allocate enough spaces. Also it correctly updates the amount of available
skb.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
---
 drivers/net/ehea/ehea_main.c |   20 ++++++++++++++++----
 1 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 182b2a7..a70457b 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -400,6 +400,8 @@ static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
 			skb_arr_rq1[index] = netdev_alloc_skb(dev,
 							      EHEA_L_PKT_SIZE);
 			if (!skb_arr_rq1[index]) {
+				ehea_info("Unable to allocate enough skb in
+					   the array\n");
 				pr->rq1_skba.os_skbs = fill_wqes - i;
 				break;
 			}
@@ -422,13 +424,20 @@ static void ehea_init_fill_rq1(struct ehea_port_res *pr, int nr_rq1a)
 	struct net_device *dev = pr->port->netdev;
 	int i;
 
-	for (i = 0; i < pr->rq1_skba.len; i++) {
+	if (nr_rq1a > pr->rq1_skba.len) {
+		ehea_error("NR_RQ1A is bigger than skb array len\n");
+		return;
+	}
+
+	for (i = 0; i < nr_rq1a; i++) {
 		skb_arr_rq1[i] = netdev_alloc_skb(dev, EHEA_L_PKT_SIZE);
-		if (!skb_arr_rq1[i])
+		if (!skb_arr_rq1[i]) {
+			ehea_info("Not enough memory to allocate skb array\n");
 			break;
+		}
 	}
 	/* Ring doorbell */
-	ehea_update_rq1a(pr->qp, nr_rq1a);
+	ehea_update_rq1a(pr->qp, i);
 }
 
 static int ehea_refill_rq_def(struct ehea_port_res *pr,
@@ -735,8 +744,11 @@ static int ehea_proc_rwqes(struct net_device *dev,
 
 					skb = netdev_alloc_skb(dev,
 							       EHEA_L_PKT_SIZE);
-					if (!skb)
+					if (!skb) {
+						ehea_info("Not enough memory to
+							   allocate skb\n");
 						break;
+					}
 				}
 				skb_copy_to_linear_data(skb, ((char *)cqe) + 64,
 						 cqe->num_bytes_transfered - 4);
-- 
1.7.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2011-01-07 12:14 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-11-26 16:26 [PATCH] ehea: Add some info messages and fix an issue leitao
2010-11-26 17:01 ` Joe Perches
2010-11-26 17:26   ` leitao
2010-11-26 23:27     ` [PATCH] ehea: Use the standard logging functions Joe Perches
2010-11-30 17:03       ` Breno Leitao
2010-11-30 18:18         ` [net-next PATCH V2] " Joe Perches
2010-12-02 18:54           ` Breno Leitao
2010-12-06 21:02             ` David Miller
2010-11-29  2:15     ` [PATCH] ehea: Add some info messages and fix an issue David Miller
2011-01-07  3:24     ` Anton Blanchard
2011-01-07 12:14       ` Breno Leitao

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