mirror of https://github.com/hak5/openwrt.git
19 lines
622 B
Diff
19 lines
622 B
Diff
|
Index: linux-2.6.38-rc6/drivers/cbus/retu.c
|
||
|
|
===================================================================
|
||
|
|
--- linux-2.6.38-rc6.orig/drivers/cbus/retu.c 2011-02-28 15:21:10.645505891 +0100
|
||
|
|
+++ linux-2.6.38-rc6/drivers/cbus/retu.c 2011-02-28 15:22:24.030477769 +0100
|
||
|
|
@@ -198,10 +198,12 @@ static irqreturn_t retu_irq_handler(int
|
||
|
|
u16 idr;
|
||
|
|
u16 imr;
|
||
|
|
|
||
|
|
+ mutex_lock(&retu->mutex);
|
||
|
|
idr = __retu_read_reg(retu, RETU_REG_IDR);
|
||
|
|
imr = __retu_read_reg(retu, RETU_REG_IMR);
|
||
|
|
- idr &= ~imr;
|
||
|
|
+ mutex_unlock(&retu->mutex);
|
||
|
|
|
||
|
|
+ idr &= ~imr;
|
||
|
|
if (!idr) {
|
||
|
|
dev_vdbg(retu->dev, "No IRQ, spurious?\n");
|
||
|
|
return IRQ_NONE;
|