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authorTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
committerTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
commit275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch)
treedf906ef901d7719d66944921c7436f5db718dc2f /drivers/net/sfc/nic.c
parent909ea96468096b07fbb41aaf69be060d92bd9271 (diff)
parent8f1d97c79eb65de1d05799d6b81d79cd94169114 (diff)
Merge branch 'this_cpu_ops' into for-2.6.38
Diffstat (limited to 'drivers/net/sfc/nic.c')
-rw-r--r--drivers/net/sfc/nic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index 41c36b9a4244..67cb0c96838c 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -1418,6 +1418,12 @@ static irqreturn_t efx_legacy_interrupt(int irq, void *dev_id)
u32 queues;
int syserr;
+ /* Could this be ours? If interrupts are disabled then the
+ * channel state may not be valid.
+ */
+ if (!efx->legacy_irq_enabled)
+ return result;
+
/* Read the ISR which also ACKs the interrupts */
efx_readd(efx, &reg, FR_BZ_INT_ISR0);
queues = EFX_EXTRACT_DWORD(reg, 0, 31);