linux-kernel - [PATCH 05/14] GPU-DRM-OMAP: Improve a size determination in dmm_txn

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Message-ID: <04c409d1-cca5-1774-e9c6-6b4d8a36dfee@users.sourceforge.net>
Date:   Wed, 21 Sep 2016 18:46:36 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 05/14] GPU-DRM-OMAP: Improve a size determination in
 dmm_txn_append()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 21 Sep 2016 13:53:11 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index c262ef5..f110965 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -224,7 +224,7 @@ static void dmm_txn_append(struct dmm_txn *txn, struct pat_area *area,
 	int rows = (1 + area->y1 - area->y0);
 	int i = columns*rows;
 
-	pat = alloc_dma(txn, sizeof(struct pat), &pat_pa);
+	pat = alloc_dma(txn, sizeof(*pat), &pat_pa);
 
 	if (txn->last_pat)
 		txn->last_pat->next_pa = (uint32_t)pat_pa;
-- 
2.10.0