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authorEnric Balletbo i Serra2019-04-08 17:05:38 +0200
committerEnric Balletbo i Serra2019-04-15 12:11:35 +0200
commitb18e606ff313e20e72b4a53cdddc16f476f2a740 (patch)
tree04e65491d75a7f811b0da5274b8007bb21e3e5d6 /drivers/platform
parente43c426a777eb2554d8a29d31311debe897badd9 (diff)
platform/chrome: cros_ec_debugfs: 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/chrome/cros_ec_debugfs.c35
1 files changed, 6 insertions, 29 deletions
diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c
index f0de1991b688..a712508e4646 100644
--- a/drivers/platform/chrome/cros_ec_debugfs.c
+++ b/drivers/platform/chrome/cros_ec_debugfs.c
@@ -337,12 +337,8 @@ static int cros_ec_create_console_log(struct cros_ec_debugfs *debug_info)
mutex_init(&debug_info->log_mutex);
init_waitqueue_head(&debug_info->log_wq);
- if (!debugfs_create_file("console_log",
- S_IFREG | 0444,
- debug_info->dir,
- debug_info,
- &cros_ec_console_log_fops))
- return -ENOMEM;
+ debugfs_create_file("console_log", S_IFREG | 0444, debug_info->dir,
+ debug_info, &cros_ec_console_log_fops);
INIT_DELAYED_WORK(&debug_info->log_poll_work,
cros_ec_console_log_work);
@@ -390,13 +386,8 @@ static int cros_ec_create_panicinfo(struct cros_ec_debugfs *debug_info)
debug_info->panicinfo_blob.data = msg->data;
debug_info->panicinfo_blob.size = ret;
- if (!debugfs_create_blob("panicinfo",
- S_IFREG | 0444,
- debug_info->dir,
- &debug_info->panicinfo_blob)) {
- ret = -ENOMEM;
- goto free;
- }
+ debugfs_create_blob("panicinfo", S_IFREG | 0444, debug_info->dir,
+ &debug_info->panicinfo_blob);
return 0;
@@ -405,15 +396,6 @@ free:
return ret;
}
-static int cros_ec_create_pdinfo(struct cros_ec_debugfs *debug_info)
-{
- if (!debugfs_create_file("pdinfo", 0444, debug_info->dir, debug_info,
- &cros_ec_pdinfo_fops))
- return -ENOMEM;
-
- return 0;
-}
-
static int cros_ec_debugfs_probe(struct platform_device *pd)
{
struct cros_ec_dev *ec = dev_get_drvdata(pd->dev.parent);
@@ -428,8 +410,6 @@ static int cros_ec_debugfs_probe(struct platform_device *pd)
debug_info->ec = ec;
debug_info->dir = debugfs_create_dir(name, NULL);
- if (!debug_info->dir)
- return -ENOMEM;
ret = cros_ec_create_panicinfo(debug_info);
if (ret)
@@ -439,9 +419,8 @@ static int cros_ec_debugfs_probe(struct platform_device *pd)
if (ret)
goto remove_debugfs;
- ret = cros_ec_create_pdinfo(debug_info);
- if (ret)
- goto remove_log;
+ debugfs_create_file("pdinfo", 0444, debug_info->dir, debug_info,
+ &cros_ec_pdinfo_fops);
ec->debug_info = debug_info;
@@ -449,8 +428,6 @@ static int cros_ec_debugfs_probe(struct platform_device *pd)
return 0;
-remove_log:
- cros_ec_cleanup_console_log(debug_info);
remove_debugfs:
debugfs_remove_recursive(debug_info->dir);
return ret;