drivers: staging: vme: Fixed checking NULL and 0 code style
authorEgor Uleyskiy <egor.ulieiskii@gmail.com>
Sun, 22 Nov 2015 09:27:56 +0000 (11:27 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 24 Nov 2015 23:30:50 +0000 (15:30 -0800)
Signed-off-by: Egor Uleyskiy <egor.ulieiskii@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/vme/devices/vme_pio2_core.c
drivers/staging/vme/devices/vme_pio2_gpio.c
drivers/staging/vme/devices/vme_user.c

index 296551f..30712da 100644 (file)
@@ -230,7 +230,7 @@ static int pio2_probe(struct vme_dev *vdev)
        card->vdev = vdev;
 
        for (i = 0; i < PIO2_VARIANT_LENGTH; i++) {
-               if (isdigit(card->variant[i]) == 0) {
+               if (!isdigit(card->variant[i])) {
                        dev_err(&card->vdev->dev, "Variant invalid\n");
                        retval = -EINVAL;
                        goto err_variant;
index 65fdb56..df992c3 100644 (file)
@@ -190,7 +190,7 @@ int pio2_gpio_init(struct pio2_card *card)
 
        label = kasprintf(GFP_KERNEL,
                          "%s@%s", driver_name, dev_name(&card->vdev->dev));
-       if (label == NULL)
+       if (!label)
                return -ENOMEM;
 
        card->gc.label = label;
index a05a065..b95883b 100644 (file)
@@ -309,7 +309,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
                case VME_IRQ_GEN:
                        copied = copy_from_user(&irq_req, argp,
                                                sizeof(irq_req));
-                       if (copied != 0) {
+                       if (copied) {
                                pr_warn("Partial copy from userspace\n");
                                return -EFAULT;
                        }
@@ -335,7 +335,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 
                        copied = copy_to_user(argp, &master,
                                              sizeof(master));
-                       if (copied != 0) {
+                       if (copied) {
                                pr_warn("Partial copy to userspace\n");
                                return -EFAULT;
                        }
@@ -350,7 +350,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
                        }
 
                        copied = copy_from_user(&master, argp, sizeof(master));
-                       if (copied != 0) {
+                       if (copied) {
                                pr_warn("Partial copy from userspace\n");
                                return -EFAULT;
                        }
@@ -380,7 +380,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 
                        copied = copy_to_user(argp, &slave,
                                              sizeof(slave));
-                       if (copied != 0) {
+                       if (copied) {
                                pr_warn("Partial copy to userspace\n");
                                return -EFAULT;
                        }
@@ -390,7 +390,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
                case VME_SET_SLAVE:
 
                        copied = copy_from_user(&slave, argp, sizeof(slave));
-                       if (copied != 0) {
+                       if (copied) {
                                pr_warn("Partial copy from userspace\n");
                                return -EFAULT;
                        }
@@ -757,7 +757,7 @@ static int __init vme_user_init(void)
         * we just change the code in vme_user_match().
         */
        retval = vme_register_driver(&vme_user_driver, VME_MAX_SLOTS);
-       if (retval != 0)
+       if (retval)
                goto err_reg;
 
        return retval;