openwrt/target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch

13 lines
313 B
Diff

--- a/drivers/cbus/tahvo.c
+++ b/drivers/cbus/tahvo.c
@@ -104,7 +104,9 @@ void tahvo_write_reg(struct device *chil
{
struct tahvo *tahvo = dev_get_drvdata(child->parent);
+ mutex_lock(&tahvo->mutex);
__tahvo_write_reg(tahvo, reg, val);
+ mutex_unlock(&tahvo->mutex);
}
EXPORT_SYMBOL(tahvo_write_reg);