IB/hfi1: NULL arg to sc_return_credits is OK

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>

diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 7a5b0e6..3b792c5 100644 (file)
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -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;