Patch "drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR()" has been added to the 4.4-stable tree

Patch "drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR()" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR()

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drivers-misc-c2port-c2port-duramar2150.c-checking-for-null-instead-of-is_err.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 8128a31eaadbcdfa37774bbd28f3f00bac69996a Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 8 May 2017 15:55:17 -0700
Subject: drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR()

From: Dan Carpenter <dan.carpenter@oracle.com>

commit 8128a31eaadbcdfa37774bbd28f3f00bac69996a upstream.

c2port_device_register() never returns NULL, it uses error pointers.

Link: http://lkml.kernel.org/r/20170412083321.GC3250@mwanda
Fixes: 65131cd52b9e ("c2port: add c2port support for Eurotech Duramar 2150")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/misc/c2port/c2port-duramar2150.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/misc/c2port/c2port-duramar2150.c
+++ b/drivers/misc/c2port/c2port-duramar2150.c
@@ -129,8 +129,8 @@ static int __init duramar2150_c2port_ini
 
 	duramar2150_c2port_dev = c2port_device_register("uc",
 					&duramar2150_c2port_ops, NULL);
-	if (!duramar2150_c2port_dev) {
-		ret = -ENODEV;
+	if (IS_ERR(duramar2150_c2port_dev)) {
+		ret = PTR_ERR(duramar2150_c2port_dev);
 		goto free_region;
 	}
 


Patches currently in stable-queue which might be from dan.carpenter@oracle.com are

queue-4.4/drivers-misc-c2port-c2port-duramar2150.c-checking-for-null-instead-of-is_err.patch
queue-4.4/staging-rtl8188eu-prevent-an-underflow-in-rtw_check_beacon_data.patch