wusb: release mutex in the error path of whci-hcd's whc_do_gencmd()
Signed-off-by: David Vrabel <david.vrabel@csr.com>
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parent
6a4b587079
commit
b09ac64b7b
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@ -50,6 +50,7 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
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unsigned long flags;
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unsigned long flags;
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dma_addr_t dma_addr;
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dma_addr_t dma_addr;
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int t;
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int t;
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int ret = 0;
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mutex_lock(&whc->mutex);
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mutex_lock(&whc->mutex);
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@ -61,7 +62,8 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
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dev_err(&whc->umc->dev, "generic command timeout (%04x/%04x)\n",
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dev_err(&whc->umc->dev, "generic command timeout (%04x/%04x)\n",
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le_readl(whc->base + WUSBGENCMDSTS),
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le_readl(whc->base + WUSBGENCMDSTS),
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le_readl(whc->base + WUSBGENCMDPARAMS));
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le_readl(whc->base + WUSBGENCMDPARAMS));
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return -ETIMEDOUT;
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ret = -ETIMEDOUT;
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goto out;
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}
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}
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if (addr) {
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if (addr) {
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@ -80,8 +82,8 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
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whc->base + WUSBGENCMDSTS);
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whc->base + WUSBGENCMDSTS);
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spin_unlock_irqrestore(&whc->lock, flags);
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spin_unlock_irqrestore(&whc->lock, flags);
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out:
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mutex_unlock(&whc->mutex);
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mutex_unlock(&whc->mutex);
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return 0;
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return ret;
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}
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}
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