linux-kernel - [PATCH] drm/amd/display: remove unnecessary cast and use kcalloc instead of kzalloc

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Message-Id: <20171115154509.18054-1-colin.king@canonical.com>
Date:   Wed, 15 Nov 2017 15:45:09 +0000
From:   Colin King <colin.king@...onical.com>
To:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Harry Wentland <harry.wentland@....com>,
        Tony Cheng <tony.cheng@....com>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm/amd/display: remove unnecessary cast and use kcalloc instead of kzalloc

From: Colin Ian King <colin.king@...onical.com>

Use kcalloc instead of kzalloc and the cast on the return from kzalloc is
unnecessary and can be removed.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/gpu/drm/amd/display/dc/basics/logger.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/basics/logger.c b/drivers/gpu/drm/amd/display/dc/basics/logger.c
index e04e8ecd4874..2ff5b467603d 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/logger.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/logger.c
@@ -70,9 +70,8 @@ static bool construct(struct dc_context *ctx, struct dal_logger *logger,
 {
 	/* malloc buffer and init offsets */
 	logger->log_buffer_size = DAL_LOGGER_BUFFER_MAX_SIZE;
-	logger->log_buffer = (char *)kzalloc(logger->log_buffer_size * sizeof(char),
-					     GFP_KERNEL);
-
+	logger->log_buffer = kcalloc(logger->log_buffer_size, sizeof(char),
+				     GFP_KERNEL);
 	if (!logger->log_buffer)
 		return false;
 
-- 
2.14.1