staging: vme_user: simplify boolean comparisons

Replace explicit comparisons against zero with logical Not operator.
This follows the standard kernel coding style for boolean logic.

No functional changes.

Signed-off-by: Shyam Sunder Reddy Padira <shyamsunderreddypadira@gmail.com>
Link: https://patch.msgid.link/20260505200145.160377-1-shyamsunderreddypadira@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c
index cb9796c87ee82e375f65f80231be1e3346a526b1..b5c66b66ce322aa318bf2315d2add82a18cd6214 100644 (file)
--- a/drivers/staging/vme_user/vme.c
+++ b/drivers/staging/vme_user/vme.c
@@ -274,7 +274,7 @@ struct vme_resource *vme_slave_request(struct vme_dev *vdev, u32 address,
                mutex_lock(&slave_image->mtx);
                if (((slave_image->address_attr & address) == address) &&
                    ((slave_image->cycle_attr & cycle) == cycle) &&
-                   (slave_image->locked == 0)) {
+                   !slave_image->locked) {
                        slave_image->locked = 1;
                        mutex_unlock(&slave_image->mtx);
                        allocated_image = slave_image;
@@ -419,7 +419,7 @@ void vme_slave_free(struct vme_resource *resource)
 
        /* Unlock image */
        mutex_lock(&slave_image->mtx);
-       if (slave_image->locked == 0)
+       if (!slave_image->locked)
                dev_err(bridge->parent, "Image is already free\n");
 
        slave_image->locked = 0;
@@ -469,7 +469,7 @@ struct vme_resource *vme_master_request(struct vme_dev *vdev, u32 address,
                if (((master_image->address_attr & address) == address) &&
                    ((master_image->cycle_attr & cycle) == cycle) &&
                    ((master_image->width_attr & dwidth) == dwidth) &&
-                   (master_image->locked == 0)) {
+                   !master_image->locked) {
                        master_image->locked = 1;
                        spin_unlock(&master_image->lock);
                        allocated_image = master_image;
@@ -793,7 +793,7 @@ void vme_master_free(struct vme_resource *resource)
 
        /* Unlock image */
        spin_lock(&master_image->lock);
-       if (master_image->locked == 0)
+       if (!master_image->locked)
                dev_err(bridge->parent, "Image is already free\n");
 
        master_image->locked = 0;
@@ -841,7 +841,7 @@ struct vme_resource *vme_dma_request(struct vme_dev *vdev, u32 route)
                /* Find an unlocked and compatible controller */
                mutex_lock(&dma_ctrlr->mtx);
                if (((dma_ctrlr->route_attr & route) == route) &&
-                   (dma_ctrlr->locked == 0)) {
+                   !dma_ctrlr->locked) {
                        dma_ctrlr->locked = 1;
                        mutex_unlock(&dma_ctrlr->mtx);
                        allocated_ctrlr = dma_ctrlr;
@@ -1365,7 +1365,7 @@ void vme_irq_free(struct vme_dev *vdev, int level, int statid)
        bridge->irq[level - 1].count--;
 
        /* Disable IRQ level if no more interrupts attached at this level*/
-       if (bridge->irq[level - 1].count == 0)
+       if (!bridge->irq[level - 1].count)
                bridge->irq_set(bridge, level, 0, 1);
 
        bridge->irq[level - 1].callback[statid].func = NULL;
@@ -1445,7 +1445,7 @@ struct vme_resource *vme_lm_request(struct vme_dev *vdev)
 
                /* Find an unlocked controller */
                mutex_lock(&lm->mtx);
-               if (lm->locked == 0) {
+               if (!lm->locked) {
                        lm->locked = 1;
                        mutex_unlock(&lm->mtx);
                        allocated_lm = lm;
@@ -1766,7 +1766,7 @@ int vme_register_bridge(struct vme_bridge *bridge)
 
        mutex_lock(&vme_buses_lock);
        for (i = 0; i < sizeof(vme_bus_numbers) * 8; i++) {
-               if ((vme_bus_numbers & (1 << i)) == 0) {
+               if (!(vme_bus_numbers & (1 << i))) {
                        vme_bus_numbers |= (1 << i);
                        bridge->num = i;
                        INIT_LIST_HEAD(&bridge->devices);