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Date:   Wed, 28 Sep 2016 11:04:56 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Mauro Carvalho Chehab <mchehab@....samsung.com>
Subject: [PATCH 4.4 26/73] [media] am437x-vfpe: fix typo in vpfe_get_app_input_index

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.de>

commit 0fb504001192c1df62c847a8bb6558753c36ebef upstream.

gcc-6 points out an obviously silly comparison in vpfe_get_app_input_index():

drivers/media/platform/am437x/am437x-vpfe.c: In function 'vpfe_get_app_input_index':
drivers/media/platform/am437x/am437x-vpfe.c:1709:27: warning: self-comparison always evaluats to true [-Wtautological-compare]
       client->adapter->nr == client->adapter->nr) {
                           ^~

This was introduced in a slighly incorrect conversion, and it's
clear that the comparison was meant to compare the iterator
to the current subdev instead, as we do in the line above.

Fixes: d37232390fd4 ("[media] media: am437x-vpfe: match the OF node/i2c addr instead of name")

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
Signed-off-by: Hans Verkuil <hans.verkuil@...co.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@....samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/media/platform/am437x/am437x-vpfe.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/platform/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/am437x/am437x-vpfe.c
@@ -1706,7 +1706,7 @@ static int vpfe_get_app_input_index(stru
 		sdinfo = &cfg->sub_devs[i];
 		client = v4l2_get_subdevdata(sdinfo->sd);
 		if (client->addr == curr_client->addr &&
-		    client->adapter->nr == client->adapter->nr) {
+		    client->adapter->nr == curr_client->adapter->nr) {
 			if (vpfe->current_input >= 1)
 				return -1;
 			*app_input_index = j + vpfe->current_input;


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