linux-kernel - [PATCH -next] drm/amd/display: Remove useless set memory to zero use memset()

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Message-ID: <20190323133019.13620-1-yuehaibing@huawei.com>
Date:   Sat, 23 Mar 2019 21:30:19 +0800
From:   Yue Haibing <yuehaibing@...wei.com>
To:     <amd-gfx@...ts.freedesktop.org>, <harry.wentland@....com>,
        <sunpeng.li@....com>, <alexander.deucher@....com>,
        <christian.koenig@....com>, <David1.Zhou@....com>,
        <airlied@...ux.ie>, <daniel@...ll.ch>, <mikita.lipski@....com>,
        <David.Francis@....com>
CC:     <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] drm/amd/display: Remove useless set memory to zero use memset()

From: YueHaibing <yuehaibing@...wei.com>

The memory return by kzalloc() has already be set to zero, so
remove useless memset(0).

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index cd10f77..6c7a46a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -279,8 +279,6 @@ void *amdgpu_dm_irq_register_interrupt(struct amdgpu_device *adev,
 		return DAL_INVALID_IRQ_HANDLER_IDX;
 	}
 
-	memset(handler_data, 0, sizeof(*handler_data));
-
 	init_handler_common_data(handler_data, ih, handler_args, &adev->dm);
 
 	irq_source = int_params->irq_source;
-- 
2.7.0