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

Signed-off-by: David Vrabel <david.vrabel@csr.com>
This commit is contained in:
David Vrabel 2008-10-27 15:14:03 +00:00
parent 6a4b587079
commit b09ac64b7b
1 changed files with 5 additions and 3 deletions
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8
drivers/usb/host/whci/hw.c
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@ -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;
}