linux-kernel - [PATCH 4/7] media: mtk-vpu: no need to check return value of debugfs

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Message-Id: <20200818133608.462514-4-gregkh@linuxfoundation.org>
Date:   Tue, 18 Aug 2020 15:36:05 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-media@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Minghsiu Tsai <minghsiu.tsai@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/7] media: mtk-vpu: no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Minghsiu Tsai <minghsiu.tsai@...iatek.com>
Cc: Houlong Wei <houlong.wei@...iatek.com>
Cc: Andrew-CT Chen <andrew-ct.chen@...iatek.com>
Cc: Tiffany Lin <tiffany.lin@...iatek.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Matthias Brugger <matthias.bgg@...il.com>
Cc: linux-media@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-mediatek@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/media/platform/mtk-vpu/mtk_vpu.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c
index d30c08983f56..36cb9b6131f7 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.c
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c
@@ -849,10 +849,6 @@ static int mtk_vpu_probe(struct platform_device *pdev)
 #ifdef CONFIG_DEBUG_FS
 	vpu_debugfs = debugfs_create_file("mtk_vpu", S_IRUGO, NULL, (void *)dev,
 					  &vpu_debug_fops);
-	if (!vpu_debugfs) {
-		ret = -ENOMEM;
-		goto cleanup_ipi;
-	}
 #endif
 
 	/* Set PTCM to 96K and DTCM to 32K */
@@ -910,7 +906,6 @@ static int mtk_vpu_probe(struct platform_device *pdev)
 	of_reserved_mem_device_release(dev);
 #ifdef CONFIG_DEBUG_FS
 	debugfs_remove(vpu_debugfs);
-cleanup_ipi:
 #endif
 	memset(vpu->ipi_desc, 0, sizeof(struct vpu_ipi_desc) * IPI_MAX);
 vpu_mutex_destroy:
-- 
2.28.0