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authorDavid S. Miller <davem@davemloft.net>2014-07-22 00:44:59 -0700
committerDavid S. Miller <davem@davemloft.net>2014-07-22 00:44:59 -0700
commit8fd90bb889635fa1e7f80a3950948cc2e74c1446 (patch)
tree1490343b5ad9f88b9333e53fa9457c00cbf6c2d1 /drivers/gpu/drm/qxl/qxl_irq.c
parent1bb4238b17b5de6cdc120970a9d00dd8a44f40df (diff)
parent15ba2236f3556fc01b9ca91394465152b5ea74b6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/infiniband/hw/cxgb4/device.c The cxgb4 conflict was simply overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_irq.c')
-rw-r--r--drivers/gpu/drm/qxl/qxl_irq.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
index 34d6a85e902..0bf1e20c6e4 100644
--- a/drivers/gpu/drm/qxl/qxl_irq.c
+++ b/drivers/gpu/drm/qxl/qxl_irq.c
@@ -33,6 +33,9 @@ irqreturn_t qxl_irq_handler(int irq, void *arg)
pending = xchg(&qdev->ram_header->int_pending, 0);
+ if (!pending)
+ return IRQ_NONE;
+
atomic_inc(&qdev->irq_received);
if (pending & QXL_INTERRUPT_DISPLAY) {