parport_claim() can fail and we should be checking if we were able to claim the port.
Signed-off-by: Sudip Mukherjee <[email protected]> --- drivers/scsi/imm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index f8b88fa..9164ce12 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -77,9 +77,10 @@ static void imm_wakeup(void *ref) spin_lock_irqsave(&arbitration_lock, flags); if (dev->wanted) { - parport_claim(dev->dev); - got_it(dev); - dev->wanted = 0; + if (parport_claim(dev->dev) == 0) { + got_it(dev); + dev->wanted = 0; + } } spin_unlock_irqrestore(&arbitration_lock, flags); } -- 1.9.1
