USB: xHCI: re-initialize cmd_completion
authorAndiry Xu <andiry.xu@amd.com>
Fri, 12 Mar 2010 09:10:04 +0000 (17:10 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 19 Mar 2010 14:24:09 +0000 (07:24 -0700)
When a signal interrupts a Configure Endpoint command, the cmd_completion used
in xhci_configure_endpoint() is not re-initialized and the
wait_for_completion_interruptible_timeout() will return failure. Initialize
cmd_completion in xhci_configure_endpoint().

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/host/xhci.c

index 4cb69e0af83442230fc13448a3e31f5b144ebe86..492a61c2c79d496f8bf1673489203dbb7edd5bb3 100644 (file)
@@ -1173,6 +1173,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
                cmd_completion = &virt_dev->cmd_completion;
                cmd_status = &virt_dev->cmd_status;
        }
+       init_completion(cmd_completion);
 
        if (!ctx_change)
                ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,