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authorAndiry Xu <andiry.xu@amd.com>2010-03-12 17:10:04 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-19 07:24:09 -0700
commit1d68064a7d80da4a7334cab0356162e36229c1a1 (patch)
tree4a451c1ea68c8ec1b212988f2cc8c350d36758aa /drivers/usb
parentbc75fa3825cdbbdeee3a65d91cc5583bdfe41edf (diff)
downloadlinux-1d68064a7d80da4a7334cab0356162e36229c1a1.tar.gz
USB: xHCI: re-initialize cmd_completion
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>

Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/xhci.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 4cb69e0af834..492a61c2c79d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -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,