[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 at samsung.com>
Cc: Sylwester Nawrocki <s.nawrocki at samsung.com>
Cc: Mauro Carvalho Chehab <mchehab at kernel.org>
Cc: Kukjin Kim <kgene at kernel.org>
Cc: Krzysztof Kozlowski <krzk at kernel.org>
Cc: linux-media at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-samsung-soc at vger.kernel.org
Cc: linux-kernel at vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh at 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