[PATCH 3/7] media: exynos4-is: no need to check return value of debugfs_create functions

[PATCH 3/7] media: exynos4-is: no need to check return value of debugfs_create functions

[Greg Kroah-Hartman]

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: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-media@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/media/platform/exynos4-is/fimc-is.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index a474014f0a0f..019bb47df915 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -756,18 +756,12 @@ static void fimc_is_debugfs_remove(struct fimc_is *is)
 	is->debugfs_entry = NULL;
 }
 
-static int fimc_is_debugfs_create(struct fimc_is *is)
+static void fimc_is_debugfs_create(struct fimc_is *is)
 {
-	struct dentry *dentry;
-
 	is->debugfs_entry = debugfs_create_dir("fimc_is", NULL);
 
-	dentry = debugfs_create_file("fw_log", S_IRUGO, is->debugfs_entry,
-				     is, &fimc_is_fops);
-	if (!dentry)
-		fimc_is_debugfs_remove(is);
-
-	return is->debugfs_entry == NULL ? -EIO : 0;
+	debugfs_create_file("fw_log", S_IRUGO, is->debugfs_entry, is,
+			    &fimc_is_fops);
 }
 
 static int fimc_is_runtime_resume(struct device *dev);
@@ -853,9 +847,7 @@ static int fimc_is_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_pm;
 
-	ret = fimc_is_debugfs_create(is);
-	if (ret < 0)
-		goto err_sd;
+	fimc_is_debugfs_create(is);
 
 	ret = fimc_is_request_firmware(is, FIMC_IS_FW_FILENAME);
 	if (ret < 0)
@@ -868,7 +860,6 @@ static int fimc_is_probe(struct platform_device *pdev)
 
 err_dfs:
 	fimc_is_debugfs_remove(is);
-err_sd:
 	fimc_is_unregister_subdevs(is);
 err_pm:
 	pm_runtime_put_noidle(dev);
-- 
2.28.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

[PATCH 4/7] media: mtk-vpu: no need to check return value of debugfs_create functions

[Greg Kroah-Hartman]

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@mediatek.com>
Cc: Houlong Wei <houlong.wei@mediatek.com>
Cc: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
Cc: Tiffany Lin <tiffany.lin@mediatek.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-media@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel