staging: vme_user: fix NULL comparison style

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 494655a..2ff15f0 100644 (file)
--- 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;