From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 Jan 2011 05:12:27 +0000 (+0300)
Subject: vga_switcheroo: comparing too few characters in strncmp()
X-Git-Url: https://git.karo-electronics.de/?p=mv-sheeva.git;a=commitdiff_plain;h=fea6f330cdd18f79d50bcdfbedb96d929a173e0d

vga_switcheroo: comparing too few characters in strncmp()

This is a copy-and-paste bug.  We should be comparing 4 characters here
instead of 3.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index d2d8543686d..e01cacba685 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -346,11 +346,11 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
 	if (strncmp(usercmd, "DIS", 3) == 0)
 		client_id = VGA_SWITCHEROO_DIS;
 
-	if (strncmp(usercmd, "MIGD", 3) == 0) {
+	if (strncmp(usercmd, "MIGD", 4) == 0) {
 		just_mux = true;
 		client_id = VGA_SWITCHEROO_IGD;
 	}
-	if (strncmp(usercmd, "MDIS", 3) == 0) {
+	if (strncmp(usercmd, "MDIS", 4) == 0) {
 		just_mux = true;
 		client_id = VGA_SWITCHEROO_DIS;
 	}