Commit b09ac64b authored by David Vrabel's avatar David Vrabel
Browse files

wusb: release mutex in the error path of whci-hcd's whc_do_gencmd() 



Signed-off-by: default avatarDavid Vrabel <david.vrabel@csr.com>
parent 6a4b5870

drivers/usb/host/whci/hw.c

+5 −3
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len) 
	unsigned long flags;

	dma_addr_t dma_addr;

	int t;

	int ret = 0;



	mutex_lock(&whc->mutex);
@@ -61,7 +62,8 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len) 
		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 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len) 
		  whc->base + WUSBGENCMDSTS);



	spin_unlock_irqrestore(&whc->lock, flags);



out:

	mutex_unlock(&whc->mutex);



	return 0;

	return ret;

}