ray_cs: Fix copy_from_user handling

I've not touched the other stuff here but the word "locking" comes to mind.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 88cd58eb3b9f4b42bfc58d55cf8a9026d429a256..1c88c2ea59aa4e605fc738f8adde1e2d01ea26cb 100644 (file)
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2879,7 +2879,7 @@ static int write_essid(struct file *file, const char __user *buffer,
                       unsigned long count, void *data)
 {
        static char proc_essid[33];
-       int len = count;
+       unsigned int len = count;
 
        if (len > 32)
                len = 32;