[PATCH] drivers/video/*: use kmemdup()

From: Eric Sesterhenn <snakebyte@gmx.de>

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/aty/radeon_monitor.c

@@ -104,10 +104,9 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_
 	if (pedid == NULL)
 		return mt;
 
-	tmp = (u8 *)kmalloc(EDID_LENGTH, GFP_KERNEL);
+	tmp = kmemdup(pedid, EDID_LENGTH, GFP_KERNEL);
 	if (!tmp)
 		return mt;
-	memcpy(tmp, pedid, EDID_LENGTH);
 	*out_EDID = tmp;
 	return mt;
 }

drivers/video/i810/i810-i2c.c

@@ -162,9 +162,7 @@ int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid, int conn)
 
 		if (e != NULL) {
 			DPRINTK("i810-i2c: Getting EDID from BIOS\n");
-			edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
-			if (edid)
-				memcpy(edid, e, EDID_LENGTH);
+			edid = kmemdup(e, EDID_LENGTH, GFP_KERNEL);
 		}
 	}
 

drivers/video/intelfb/intelfbdrv.c

@@ -1058,10 +1058,9 @@ intelfb_init_var(struct intelfb_info *dinfo)
 		u8 *edid_d = NULL;
 
 		if (edid_s) {
-			edid_d = kmalloc(EDID_LENGTH, GFP_KERNEL);
+			edid_d = kmemdup(edid_s, EDID_LENGTH, GFP_KERNEL);
 
 			if (edid_d) {
-				memcpy(edid_d, edid_s, EDID_LENGTH);
 				fb_edid_to_monspecs(edid_d,
 						    &dinfo->info->monspecs);
 				kfree(edid_d);

drivers/video/nvidia/nv_i2c.c

@@ -210,11 +210,8 @@ int nvidia_probe_i2c_connector(struct fb_info *info, int conn, u8 **out_edid)
 		/* try to get from firmware */
 		const u8 *e = fb_firmware_edid(info->device);
 
-		if (e != NULL) {
-			edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
-			if (edid)
-				memcpy(edid, e, EDID_LENGTH);
-		}
+		if (e != NULL)
+			edid = kmemdup(e, EDID_LENGTH, GFP_KERNEL);
 	}
 
 	*out_edid = edid;

drivers/video/nvidia/nv_of.c

@@ -72,10 +72,9 @@ int nvidia_probe_of_connector(struct fb_info *info, int conn, u8 **out_edid)
 		}
 	}
 	if (pedid) {
-		*out_edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
+		*out_edid = kmemdup(pedid, EDID_LENGTH, GFP_KERNEL);
 		if (*out_edid == NULL)
 			return -1;
-		memcpy(*out_edid, pedid, EDID_LENGTH);
 		printk(KERN_DEBUG "nvidiafb: Found OF EDID for head %d\n", conn);
 		return 0;
 	}

drivers/video/savage/savagefb-i2c.c

@@ -227,11 +227,8 @@ int savagefb_probe_i2c_connector(struct fb_info *info, u8 **out_edid)
 		/* try to get from firmware */
 		const u8 *e = fb_firmware_edid(info->device);
 
-		if (e) {
-			edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
-			if (edid)
-				memcpy(edid, e, EDID_LENGTH);
-		}
+		if (e)
+			edid = kmemdup(e, EDID_LENGTH, GFP_KERNEL);
 	}
 
 	*out_edid = edid;