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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/host
parentbc75fa3825cdbbdeee3a65d91cc5583bdfe41edf (diff)
downloadblackbird-op-linux-1d68064a7d80da4a7334cab0356162e36229c1a1.tar.gz
blackbird-op-linux-1d68064a7d80da4a7334cab0356162e36229c1a1.zip
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/host')
-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,
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