linux-kernel - [PATCH] drm/bridge: tc358764: fix noderef.cocci warnings

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Message-ID: <20180619110506.GA20216@lkp-ib03>
Date:   Tue, 19 Jun 2018 19:05:07 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Maciej Purski <m.purski@...sung.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Maciej Purski <m.purski@...sung.com>
Subject: [PATCH] drm/bridge: tc358764: fix noderef.cocci warnings

From: kbuild test robot <fengguang.wu@...el.com>

drivers/gpu/drm/bridge/tc358764.c:179:60-66: ERROR: application of sizeof to pointer

 sizeof when applied to a pointer typed expression gives the size of
 the pointer

Generated by: scripts/coccinelle/misc/noderef.cocci

Fixes: 147fe90c9d51 ("drm/bridge: tc358764: Add DSI to LVDS bridge driver")
CC: Andrzej Hajda <a.hajda@...sung.com>
Signed-off-by: kbuild test robot <fengguang.wu@...el.com>
---

 tc358764.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/bridge/tc358764.c
+++ b/drivers/gpu/drm/bridge/tc358764.c
@@ -176,7 +176,8 @@ static int tc358764_read(struct tc358764
 	ssize_t ret;
 
 	cpu_to_le16s(&addr);
-	ret = mipi_dsi_generic_read(dsi, &addr, sizeof(addr), val, sizeof(val));
+	ret = mipi_dsi_generic_read(dsi, &addr, sizeof(addr), val,
+				    sizeof(*val));
 	if (ret >= 0)
 		le32_to_cpus(val);