From: Márton Németh Date: Tue, 24 May 2011 21:19:18 +0000 (+0200) Subject: usbip: simplify lock handling in valid_request() X-Git-Tag: MMI-PSA29.97-13-9~18845^2~568^2~22 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9ba422b346c9654ec78ee0a5b7c5db6e5d4c48dd;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git usbip: simplify lock handling in valid_request() The function calls spin_lock() and spin_unlock() should be in pair. This patch makes this pairing more clear for the reader of the code. Signed-off-by: Márton Németh Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c index a5c1fa1f0430..e2cfedb6cc7a 100644 --- a/drivers/staging/usbip/stub_rx.c +++ b/drivers/staging/usbip/stub_rx.c @@ -304,18 +304,18 @@ static int stub_recv_cmd_unlink(struct stub_device *sdev, static int valid_request(struct stub_device *sdev, struct usbip_header *pdu) { struct usbip_device *ud = &sdev->ud; + int valid = 0; if (pdu->base.devid == sdev->devid) { spin_lock(&ud->lock); if (ud->status == SDEV_ST_USED) { /* A request is valid. */ - spin_unlock(&ud->lock); - return 1; + valid = 1; } spin_unlock(&ud->lock); } - return 0; + return valid; } static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,