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Input: hp_sdc_rtc - unlock on error in hp_sdc_rtc_read_i8042timer() 

The transaction task here is hp_sdc_tasklet() and it releases the lock.
The problem is if we aren't able to queue the transaction then we need
to release the lock ourselves.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dan Carpenter 2013-11-19 13:28:06 -08:00 committed by Dmitry Torokhov
parent 0221e670cd
commit b64da05fb7
1 changed files with 4 additions and 1 deletions
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5
drivers/input/misc/hp_sdc_rtc.c
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@ -180,7 +180,10 @@ static int64_t hp_sdc_rtc_read_i8042timer (uint8_t loadcmd, int numreg)
if (WARN_ON(down_interruptible(&i8042tregs)))
return -1;
if (hp_sdc_enqueue_transaction(&t)) return -1;
if (hp_sdc_enqueue_transaction(&t)) {
up(&i8042tregs);
return -1;
}
/* Sleep until results come back. */
if (WARN_ON(down_interruptible(&i8042tregs)))