parport_claim() can fail and we should be checking if we were able to
claim the port.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---
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
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