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Date: Wed, 1 Nov 2017 22:26:26 +0100 From: Willy Tarreau <w@....eu> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, linux@...ck-us.net Cc: Dan Carpenter <dan.carpenter@...cle.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Willy Tarreau <w@....eu> Subject: [PATCH 3.10 101/139] drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR() From: Dan Carpenter <dan.carpenter@...cle.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@...cle.com> Acked-by: Rodolfo Giometti <giometti@...ux.it> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org> Signed-off-by: Willy Tarreau <w@....eu> --- drivers/misc/c2port/c2port-duramar2150.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c index 5484301..3dc61ea 100644 --- a/drivers/misc/c2port/c2port-duramar2150.c +++ b/drivers/misc/c2port/c2port-duramar2150.c @@ -129,8 +129,8 @@ static int __init duramar2150_c2port_init(void) 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; } -- 2.8.0.rc2.1.gbe9624a
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