[PATCH] Video: fb, kzalloc changes

Use kzalloc instead of kmalloc + memset(0).
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/au1100fb.c

@@ -468,11 +468,10 @@ int au1100fb_drv_probe(struct device *dev)
 			return -EINVAL;
 
 	/* Allocate new device private */
-	if (!(fbdev = kmalloc(sizeof(struct au1100fb_device), GFP_KERNEL))) {
+	if (!(fbdev = kzalloc(sizeof(struct au1100fb_device), GFP_KERNEL))) {
 		print_err("fail to allocate device private record");
 		return -ENOMEM;
 	}
-	memset((void*)fbdev, 0, sizeof(struct au1100fb_device));
 
 	fbdev->panel = &known_lcd_panels[drv_info.panel_idx];
 
@@ -549,10 +548,9 @@ int au1100fb_drv_probe(struct device *dev)
 	fbdev->info.fbops = &au1100fb_ops;
 	fbdev->info.fix = au1100fb_fix;
 
-	if (!(fbdev->info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL))) {
+	if (!(fbdev->info.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL))) {
 		return -ENOMEM;
 	}
-	memset(fbdev->info.pseudo_palette, 0, sizeof(u32) * 16);
 
 	if (fb_alloc_cmap(&fbdev->info.cmap, AU1100_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
 		print_err("Fail to allocate colormap (%d entries)",

drivers/video/controlfb.c

@@ -696,11 +696,10 @@ static int __init control_of_init(struct device_node *dp)
 		printk(KERN_ERR "can't get 2 addresses for control\n");
 		return -ENXIO;
 	}
-	p = kmalloc(sizeof(*p), GFP_KERNEL);
+	p = kzalloc(sizeof(*p), GFP_KERNEL);
 	if (p == 0)
 		return -ENXIO;
 	control_fb = p;	/* save it for cleanups */
-	memset(p, 0, sizeof(*p));
 
 	/* Map in frame buffer and registers */
 	p->fb_orig_base = fb_res.start;

drivers/video/i810/i810_main.c

@@ -2021,11 +2021,10 @@ static int __devinit i810fb_init_pci (struct pci_dev *dev,
 	par = info->par;
 	par->dev = dev;
 
-	if (!(info->pixmap.addr = kmalloc(8*1024, GFP_KERNEL))) {
+	if (!(info->pixmap.addr = kzalloc(8*1024, GFP_KERNEL))) {
 		i810fb_release_resource(info, par);
 		return -ENOMEM;
 	}
-	memset(info->pixmap.addr, 0, 8*1024);
 	info->pixmap.size = 8*1024;
 	info->pixmap.buf_align = 8;
 	info->pixmap.access_align = 32;

drivers/video/igafb.c

@@ -401,12 +401,11 @@ int __init igafb_init(void)
 	
 	size = sizeof(struct fb_info) + sizeof(struct iga_par) + sizeof(u32)*16;
 
-        info = kmalloc(size, GFP_ATOMIC);
+        info = kzalloc(size, GFP_ATOMIC);
         if (!info) {
                 printk("igafb_init: can't alloc fb_info\n");
                 return -ENOMEM;
         }
-        memset(info, 0, size);
 
 	par = (struct iga_par *) (info + 1);
 	
@@ -465,7 +464,7 @@ int __init igafb_init(void)
 	 * one additional region with size == 0. 
 	 */
 
-	par->mmap_map = kmalloc(4 * sizeof(*par->mmap_map), GFP_ATOMIC);
+	par->mmap_map = kzalloc(4 * sizeof(*par->mmap_map), GFP_ATOMIC);
 	if (!par->mmap_map) {
 		printk("igafb_init: can't alloc mmap_map\n");
 		iounmap((void *)par->io_base);
@@ -474,8 +473,6 @@ int __init igafb_init(void)
 		return -ENOMEM;
 	}
 
-	memset(par->mmap_map, 0, 4 * sizeof(*par->mmap_map));
-
 	/*
 	 * Set default vmode and cmode from PROM properties.
 	 */

drivers/video/intelfb/intelfbdrv.c

@@ -540,12 +540,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dinfo->pdev  = pdev;
 
 	/* Reserve pixmap space. */
-	info->pixmap.addr = kmalloc(64 * 1024, GFP_KERNEL);
+	info->pixmap.addr = kzalloc(64 * 1024, GFP_KERNEL);
 	if (info->pixmap.addr == NULL) {
 		ERR_MSG("Cannot reserve pixmap memory.\n");
 		goto err_out_pixmap;
 	}
-	memset(info->pixmap.addr, 0, 64 * 1024);
 
 	/* set early this option because it could be changed by tv encoder
 	   driver */

drivers/video/nvidia/nvidia.c

@@ -1205,13 +1205,11 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
 	par = info->par;
 	par->pci_dev = pd;
 
-	info->pixmap.addr = kmalloc(8 * 1024, GFP_KERNEL);
+	info->pixmap.addr = kzalloc(8 * 1024, GFP_KERNEL);
 
 	if (info->pixmap.addr == NULL)
 		goto err_out_kfree;
 
-	memset(info->pixmap.addr, 0, 8 * 1024);
-
 	if (pci_enable_device(pd)) {
 		printk(KERN_ERR PFX "cannot enable PCI device\n");
 		goto err_out_enable;

drivers/video/riva/fbdev.c

@@ -1984,12 +1984,11 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
 	default_par = info->par;
 	default_par->pdev = pd;
 
-	info->pixmap.addr = kmalloc(8 * 1024, GFP_KERNEL);
+	info->pixmap.addr = kzalloc(8 * 1024, GFP_KERNEL);
 	if (info->pixmap.addr == NULL) {
 	    	ret = -ENOMEM;
 		goto err_framebuffer_release;
 	}
-	memset(info->pixmap.addr, 0, 8 * 1024);
 
 	ret = pci_enable_device(pd);
 	if (ret < 0) {