linux-kernel - [PATCH 14/14] GPU-DRM-TTM: Mark an array of text strings as "const" in ttm_dma_pool

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Date:   Thu, 22 Sep 2016 19:46:10 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Emil Velikov <emil.l.velikov@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 14/14] GPU-DRM-TTM: Mark an array of text strings as "const"
 in ttm_dma_pool_init()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 22 Sep 2016 18:46:01 +0200

The local variable "n" was not modified after it was initialized with
a few text strings.
Thus express this detail also by the data type qualifier "const".

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

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
index aa1679d..e21c1b3 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
@@ -574,7 +574,7 @@ static int ttm_dma_pool_match(struct device *dev, void *res, void *match_data)
 static struct dma_pool *ttm_dma_pool_init(struct device *dev, gfp_t flags,
 					  enum pool_type type)
 {
-	char *n[] = {"wc", "uc", "cached", " dma32", "unknown",};
+	char const * const n[] = {"wc", "uc", "cached", " dma32", "unknown",};
 	enum pool_type t[] = {IS_WC, IS_UC, IS_CACHED, IS_DMA32, IS_UNDEFINED};
 	struct device_pools *sec_pool;
 	struct dma_pool *pool, **ptr;
-- 
2.10.0