After spin_lock() is called, all of if-else conditions in this brace
should reach the end of else and spin_unlock() must be called.
So It doesn't need to call spin_unlock() without a return statement
for handling an error.

Also sparse says:
drivers/staging/ced1401/usb1401.c:1080:28: warning:
 context imbalance in 'Handle1401Esc' - unexpected unlock

Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com>
---
 drivers/staging/ced1401/usb1401.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/ced1401/usb1401.c 
b/drivers/staging/ced1401/usb1401.c
index efc310c..8195eb9 100644
--- a/drivers/staging/ced1401/usb1401.c
+++ b/drivers/staging/ced1401/usb1401.c
@@ -1053,7 +1053,6 @@ static int Handle1401Esc(DEVICE_EXTENSION *pdx, char *pCh,
                                /*  This can never happen, really */
                                dev_err(&pdx->interface->dev,
                                        "ERROR: DMA setup while transfer still 
waiting");
-                               spin_unlock(&pdx->stagedLock);
                        } else {
                                if ((wTransType == TM_EXTTOHOST)
                                    || (wTransType == TM_EXTTO1401)) {
-- 
1.7.9.5

---
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to