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| author | Márton Németh <nm127@freemail.hu> | 2011-05-24 23:19:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-07 13:53:24 -0700 |
| commit | 9ba422b346c9654ec78ee0a5b7c5db6e5d4c48dd (patch) | |
| tree | e0024ea28aa91174eac39fe1e0334affbb01396c /drivers/staging/usbip/stub_rx.c | |
| parent | 0392bbb6f6af31888570a24641158d9b51b07eb6 (diff) | |
| download | op-kernel-dev-9ba422b346c9654ec78ee0a5b7c5db6e5d4c48dd.zip op-kernel-dev-9ba422b346c9654ec78ee0a5b7c5db6e5d4c48dd.tar.gz | |
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 <nm127@freemail.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/usbip/stub_rx.c')
| -rw-r--r-- | drivers/staging/usbip/stub_rx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c index a5c1fa1..e2cfedb 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, |
