diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index d1bd9927106638d7ad94b5cec29650942453b98a..9045c5f3734e8df88d19ec58106e01efbe8f5a31 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -868,7 +868,8 @@ static ssize_t driver_override_store(struct device *dev,
 	struct platform_device *pdev = to_platform_device(dev);
 	char *driver_override, *old, *cp;
 
-	if (count > PATH_MAX)
+	/* We need to keep extra room for a newline */
+	if (count >= (PAGE_SIZE - 1))
 		return -EINVAL;
 
 	driver_override = kstrndup(buf, count, GFP_KERNEL);