wusb: release mutex in the error path of whci-hcd's whc_do_gencmd()
Signed-off-by: David Vrabel <david.vrabel@csr.com>
diff --git a/drivers/usb/host/whci/hw.c b/drivers/usb/host/whci/hw.c
index ac86e59..d498e72 100644
--- a/drivers/usb/host/whci/hw.c
+++ b/drivers/usb/host/whci/hw.c
@@ -50,6 +50,7 @@
unsigned long flags;
dma_addr_t dma_addr;
int t;
+ int ret = 0;
mutex_lock(&whc->mutex);
@@ -61,7 +62,8 @@
dev_err(&whc->umc->dev, "generic command timeout (%04x/%04x)\n",
le_readl(whc->base + WUSBGENCMDSTS),
le_readl(whc->base + WUSBGENCMDPARAMS));
- return -ETIMEDOUT;
+ ret = -ETIMEDOUT;
+ goto out;
}
if (addr) {
@@ -80,8 +82,8 @@
whc->base + WUSBGENCMDSTS);
spin_unlock_irqrestore(&whc->lock, flags);
-
+out:
mutex_unlock(&whc->mutex);
- return 0;
+ return ret;
}