Replace 'foo == NULL' with '!foo'

Shorter and sweeter. :)

(Ported from amdgpu commit e8e688f3852fb06b0c34ed5bce47c9493bcd1613)
Acked-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 12 insertions, 13 deletions

diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index 15dca0de..36840ad3 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -639,7 +639,7 @@ master_has_sync_shared_pixmap(ScrnInfoPtr scrn, PixmapDirtyUpdatePtr dirty)
 {
     ScreenPtr master_screen = radeon_dirty_master(dirty);
 
-    return master_screen->SyncSharedPixmap != NULL;
+    return !!master_screen->SyncSharedPixmap;
 }
 
 static Bool
@@ -647,7 +647,7 @@ slave_has_sync_shared_pixmap(ScrnInfoPtr scrn, PixmapDirtyUpdatePtr dirty)
 {
     ScreenPtr slave_screen = dirty->slave_dst->drawable.pScreen;
 
-    return slave_screen->SyncSharedPixmap != NULL;
+    return !!slave_screen->SyncSharedPixmap;
 }
 
 static void
@@ -1769,7 +1769,7 @@ Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
     info->dri2.available = FALSE;
     info->dri2.enabled = FALSE;
     info->dri2.pKernelDRMVersion = drmGetVersion(pRADEONEnt->fd);
-    if (info->dri2.pKernelDRMVersion == NULL) {
+    if (!info->dri2.pKernelDRMVersion) {
 	xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 		   "RADEONDRIGetVersion failed to get the DRM version\n");
 	return FALSE;
@@ -1924,7 +1924,7 @@ Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
 	    xf86OutputPtr output = xf86_config->output[i];
 
 	    /* XXX: double check crtc mode */
-	    if ((output->probed_modes != NULL) && (output->crtc == NULL))
+	    if (output->probed_modes && !output->crtc)
 		output->crtc = xf86_config->crtc[0];
 	}
     }
@@ -1987,7 +1987,7 @@ Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
 	if (!xf86LoadSubModule(pScrn, "ramdac")) return FALSE;
     }
 
-    if (pScrn->modes == NULL
+    if (!pScrn->modes
 #ifdef XSERVER_PLATFORM_BUS
         && !pScrn->is_gpu
 #endif
@@ -2098,7 +2098,7 @@ static Bool RADEONSaveScreen_KMS(ScreenPtr pScreen, int mode)
     unblank = xf86IsUnblank(mode);
     if (unblank) SetTimeSinceLastInputEvent();
 
-    if ((pScrn != NULL) && pScrn->vtSema) {
+    if (pScrn && pScrn->vtSema) {
 	if (unblank)
 	    RADEONUnblank(pScrn);
 	else
@@ -2287,7 +2287,7 @@ Bool RADEONScreenInit_KMS(ScreenPtr pScreen, int argc, char **argv)
 	info->fb_shadow = calloc(1,
 				 pScrn->displayWidth * pScrn->virtualY *
 				 ((pScrn->bitsPerPixel + 7) >> 3));
-	if (info->fb_shadow == NULL) {
+	if (!info->fb_shadow) {
 	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                        "Failed to allocate shadow framebuffer\n");
 	    return FALSE;
@@ -2689,13 +2689,13 @@ static Bool radeon_setup_kernel_mem(ScreenPtr pScreen)
     int pitch;
     uint32_t tiling_flags = 0;
 
-    if (info->accel_state->exa != NULL) {
+    if (info->accel_state->exa) {
 	xf86DrvMsg(pScreen->myNum, X_ERROR, "Memory map already initialized\n");
 	return FALSE;
     }
     if (!info->use_glamor && info->r600_shadow_fb == FALSE) {
         info->accel_state->exa = exaDriverAlloc();
-        if (info->accel_state->exa == NULL) {
+        if (!info->accel_state->exa) {
 	    xf86DrvMsg(pScreen->myNum, X_ERROR, "exaDriverAlloc failed\n");
 	    return FALSE;
 	}
@@ -2709,7 +2709,7 @@ static Bool radeon_setup_kernel_mem(ScreenPtr pScreen)
 	cursor_size = RADEON_ALIGN(cursor_size, RADEON_GPU_PAGE_SIZE);
 	for (c = 0; c < xf86_config->num_crtc; c++) {
 	    /* cursor objects */
-            if (info->cursor_bo[c] == NULL) {
+            if (!info->cursor_bo[c]) {
                 info->cursor_bo[c] = radeon_bo_open(info->bufmgr, 0,
                                                     cursor_size, 0,
                                                     RADEON_GEM_DOMAIN_VRAM, 0);
@@ -2727,7 +2727,7 @@ static Bool radeon_setup_kernel_mem(ScreenPtr pScreen)
         }
     }
 
-    if (info->front_buffer == NULL) {
+    if (!info->front_buffer) {
 	int usage = CREATE_PIXMAP_USAGE_BACKING_PIXMAP;
 
 	if (info->allowColorTiling && !info->shadow_primary) {
@@ -2787,9 +2787,8 @@ void radeon_kms_update_vram_limit(ScrnInfoPtr pScrn, uint32_t new_fb_size)
     int c;
 
     for (c = 0; c < xf86_config->num_crtc; c++) {
-	if (info->cursor_bo[c] != NULL) {
+	if (info->cursor_bo[c])
 	    new_fb_size += (64 * 4 * 64);
-	}
     }
 
     remain_size_bytes = info->vram_size - new_fb_size;