drm/drm_crtc: return -EFAULT on copy_to_user errors

[safe/jmp/linux-2.6] / drivers / video / output.c

diff --git a/drivers/video/output.c b/drivers/video/output.c
index 5e6439a..0d6f2cd 100644 (file)
--- a/drivers/video/output.c
+++ b/drivers/video/output.c
@@ -23,6 +23,7 @@
  */
 #include <linux/module.h>
 #include <linux/video_output.h>
+#include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/ctype.h>
 
@@ -50,7 +51,7 @@ static ssize_t video_output_store_state(struct device *dev,
        int request_state = simple_strtoul(buf,&endp,0);
        size_t size = endp - buf;
 
-       if (*endp && isspace(*endp))
+       if (isspace(*endp))
                size++;
        if (size != count)
                return -EINVAL;