[PATCHv3 3/9] staging: vme_user: fix NULL comparison style

From: Dmitry Kalinkin
Date: Fri Jun 26 2015 - 16:40:42 EST


Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@xxxxxxxxx>
---
drivers/staging/vme/devices/vme_user.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 494655a..2ff15f0 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -527,7 +527,7 @@ static int vme_user_master_mmap(unsigned int minor, struct vm_area_struct *vma)
}

vma_priv = kmalloc(sizeof(struct vme_user_vma_priv), GFP_KERNEL);
- if (vma_priv == NULL) {
+ if (!vma_priv) {
mutex_unlock(&image[minor].mutex);
return -ENOMEM;
}
@@ -588,7 +588,7 @@ static int vme_user_probe(struct vme_dev *vdev)
char *name;

/* Save pointer to the bridge device */
- if (vme_user_bridge != NULL) {
+ if (vme_user_bridge) {
dev_err(&vdev->dev, "Driver can only be loaded for 1 device\n");
err = -EINVAL;
goto err_dev;
@@ -636,7 +636,7 @@ static int vme_user_probe(struct vme_dev *vdev)
*/
image[i].resource = vme_slave_request(vme_user_bridge,
VME_A24, VME_SCT);
- if (image[i].resource == NULL) {
+ if (!image[i].resource) {
dev_warn(&vdev->dev,
"Unable to allocate slave resource\n");
err = -ENOMEM;
@@ -645,7 +645,7 @@ static int vme_user_probe(struct vme_dev *vdev)
image[i].size_buf = PCI_BUF_SIZE;
image[i].kern_buf = vme_alloc_consistent(image[i].resource,
image[i].size_buf, &image[i].pci_buf);
- if (image[i].kern_buf == NULL) {
+ if (!image[i].kern_buf) {
dev_warn(&vdev->dev,
"Unable to allocate memory for buffer\n");
image[i].pci_buf = 0;
@@ -663,7 +663,7 @@ static int vme_user_probe(struct vme_dev *vdev)
/* XXX Need to properly request attributes */
image[i].resource = vme_master_request(vme_user_bridge,
VME_A32, VME_SCT, VME_D32);
- if (image[i].resource == NULL) {
+ if (!image[i].resource) {
dev_warn(&vdev->dev,
"Unable to allocate master resource\n");
err = -ENOMEM;
@@ -671,7 +671,7 @@ static int vme_user_probe(struct vme_dev *vdev)
}
image[i].size_buf = PCI_BUF_SIZE;
image[i].kern_buf = kmalloc(image[i].size_buf, GFP_KERNEL);
- if (image[i].kern_buf == NULL) {
+ if (!image[i].kern_buf) {
err = -ENOMEM;
vme_master_free(image[i].resource);
goto err_master;
--
1.8.3.1

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