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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-03-25 08:50:09 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-03-25 08:50:09 +0000
commit4c8d6ad4d00835073b97d6bacdc119a58ac22350 (patch)
treefcbc09d1188b157091e186d10871e28abf340864 /target/linux/lantiq/patches-3.2/0021-NET-MIPS-lantiq-return-value-of-request_irq-was-not-.patch
parentbdd85a2ede796789cc19239466d5e3b06f329dc7 (diff)
[lantiq] bump kernel to 3.2.12
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31060 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0021-NET-MIPS-lantiq-return-value-of-request_irq-was-not-.patch')
-rw-r--r--target/linux/lantiq/patches-3.2/0021-NET-MIPS-lantiq-return-value-of-request_irq-was-not-.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0021-NET-MIPS-lantiq-return-value-of-request_irq-was-not-.patch b/target/linux/lantiq/patches-3.2/0021-NET-MIPS-lantiq-return-value-of-request_irq-was-not-.patch
new file mode 100644
index 000000000..f27ebfbfd
--- /dev/null
+++ b/target/linux/lantiq/patches-3.2/0021-NET-MIPS-lantiq-return-value-of-request_irq-was-not-.patch
@@ -0,0 +1,71 @@
+From 6916ef9742e45213d524b69700d937976098d1e6 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Tue, 15 Nov 2011 15:56:06 +0100
+Subject: [PATCH 21/70] NET: MIPS: lantiq: return value of request_irq was not
+ handled gracefully
+
+The return values of request_irq() were not checked leading to the following
+error message.
+
+drivers/net/ethernet/lantiq_etop.c: In function 'ltq_etop_hw_init':
+drivers/net/ethernet/lantiq_etop.c:368:15: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result
+drivers/net/ethernet/lantiq_etop.c:377:15: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Cc: netdev@vger.kernel.org
+---
+ drivers/net/ethernet/lantiq_etop.c | 14 ++++++++------
+ 1 files changed, 8 insertions(+), 6 deletions(-)
+
+diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
+index 9fd6779..dddb9fe 100644
+--- a/drivers/net/ethernet/lantiq_etop.c
++++ b/drivers/net/ethernet/lantiq_etop.c
+@@ -312,6 +312,7 @@ ltq_etop_hw_init(struct net_device *dev)
+ {
+ struct ltq_etop_priv *priv = netdev_priv(dev);
+ unsigned int mii_mode = priv->pldata->mii_mode;
++ int err = 0;
+ int i;
+
+ ltq_pmu_enable(PMU_PPE);
+@@ -356,7 +357,7 @@ ltq_etop_hw_init(struct net_device *dev)
+
+ ltq_dma_init_port(DMA_PORT_ETOP);
+
+- for (i = 0; i < MAX_DMA_CHAN; i++) {
++ for (i = 0; i < MAX_DMA_CHAN && !err; i++) {
+ int irq = LTQ_DMA_ETOP + i;
+ struct ltq_etop_chan *ch = &priv->ch[i];
+
+@@ -364,21 +365,22 @@ ltq_etop_hw_init(struct net_device *dev)
+
+ if (IS_TX(i)) {
+ ltq_dma_alloc_tx(&ch->dma);
+- request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED,
++ err = request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED,
+ "etop_tx", priv);
+ } else if (IS_RX(i)) {
+ ltq_dma_alloc_rx(&ch->dma);
+ for (ch->dma.desc = 0; ch->dma.desc < LTQ_DESC_NUM;
+ ch->dma.desc++)
+ if (ltq_etop_alloc_skb(ch))
+- return -ENOMEM;
++ err = -ENOMEM;
+ ch->dma.desc = 0;
+- request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED,
++ err = request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED,
+ "etop_rx", priv);
+ }
+- ch->dma.irq = irq;
++ if (!err)
++ ch->dma.irq = irq;
+ }
+- return 0;
++ return err;
+ }
+
+ static void
+--
+1.7.7.1
+