IB/hfi1: NULL arg to sc_return_credits is OK
authorMarkus Elfring <elfring@users.sourceforge.net>
Sat, 23 Jul 2016 06:30:52 +0000 (08:30 +0200)
committerDoug Ledford <dledford@redhat.com>
Thu, 4 Aug 2016 01:03:35 +0000 (21:03 -0400)
The sc_return_credits() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/hfi1/file_ops.c

index 7a5b0e6..3b792c5 100644 (file)
@@ -225,7 +225,7 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
                                    sizeof(struct hfi1_base_info));
                break;
        case HFI1_IOCTL_CREDIT_UPD:
-               if (uctxt && uctxt->sc)
+               if (uctxt)
                        sc_return_credits(uctxt->sc);
                break;