[PATCH 3/3] s390: virtio: Adjust a null pointer check in two functions
From: SF Markus Elfring
Date: Tue May 16 2017 - 11:54:24 EST
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 16 May 2017 17:14:26 +0200
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The script âcheckpatch.plâ pointed information out like the following.
Comparison to NULL could be written â
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/s390/virtio/virtio_ccw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index bfb845d7faa7..27ab0f0b59cd 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -513,7 +513,7 @@ static struct virtqueue *virtio_ccw_setup_vq(struct virtio_device *vdev,
}
size = PAGE_ALIGN(vring_size(info->num, KVM_VIRTIO_CCW_RING_ALIGN));
info->queue = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
- if (info->queue == NULL) {
+ if (!info->queue) {
dev_warn(&vcdev->cdev->dev, "no queue\n");
err = -ENOMEM;
goto out_err;
@@ -1388,7 +1388,7 @@ static void __init no_auto_parse(void)
&from_ssid, &from);
if (rc)
continue;
- if (parm != NULL) {
+ if (parm) {
rc = parse_busid(parm, &to_cssid,
&to_ssid, &to);
if ((from_ssid > to_ssid) ||
--
2.13.0