[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>

7 files changed, 9 insertions, 20 deletions

diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index ef5c16f7f5a6..80a81eccad36 100644
--- a/drivers/video/au1100fb.c
+++ b/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)",
diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c
index 04c6d928189b..fd60dba294da 100644
--- a/drivers/video/controlfb.c
+++ b/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;
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index e343c0da9618..29f89db428ce 100644
--- a/drivers/video/i810/i810_main.c
+++ b/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;
diff --git a/drivers/video/igafb.c b/drivers/video/igafb.c
index 51355c8885aa..90592fb59156 100644
--- a/drivers/video/igafb.c
+++ b/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.
          */
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 664fc5cf962a..b75eda84858f 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/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 */
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 538e947610e1..f6731dadff3a 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/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;
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 7c19b5c2a541..9316905e027a 100644
--- a/drivers/video/riva/fbdev.c
+++ b/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) {