ti: wl12xx: no need to check return value of debugfs_create functions
diff mbox series

Message ID 20190122152151.16139-27-gregkh@linuxfoundation.org
State Accepted
Commit 23f389660301d117340228f1077374b1d6ad8ed2
Delegated to: Kalle Valo
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Series
  • ti: wl12xx: no need to check return value of debugfs_create functions
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Commit Message

Greg Kroah-Hartman Jan. 22, 2019, 3:21 p.m. UTC
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: Kalle Valo <kvalo@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/wireless/ti/wl12xx/debugfs.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

Comments

Tony Lindgren Jan. 22, 2019, 11:09 p.m. UTC | #1
* Greg Kroah-Hartman <gregkh@linuxfoundation.org> [190122 15:23]:
> 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.

Acked-by: Tony Lindgren <tony@atomide.com>
Kalle Valo Feb. 1, 2019, 12:31 p.m. UTC | #2
Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:

> 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: Kalle Valo <kvalo@codeaurora.org>
> Cc: Tony Lindgren <tony@atomide.com>
> Cc: linux-wireless@vger.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Acked-by: Tony Lindgren <tony@atomide.com>

Patch applied to wireless-drivers-next.git, thanks.

23f389660301 wl12xx: no need to check return value of debugfs_create functions

Patch
diff mbox series

diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.c b/drivers/net/wireless/ti/wl12xx/debugfs.c
index 0521cbf858cf..6c3c04eca8fd 100644
--- a/drivers/net/wireless/ti/wl12xx/debugfs.c
+++ b/drivers/net/wireless/ti/wl12xx/debugfs.c
@@ -125,20 +125,10 @@  WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
 int wl12xx_debugfs_add_files(struct wl1271 *wl,
 			     struct dentry *rootdir)
 {
-	int ret = 0;
-	struct dentry *entry, *stats, *moddir;
+	struct dentry *stats, *moddir;
 
 	moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir);
-	if (!moddir || IS_ERR(moddir)) {
-		entry = moddir;
-		goto err;
-	}
-
 	stats = debugfs_create_dir("fw_stats", moddir);
-	if (!stats || IS_ERR(stats)) {
-		entry = stats;
-		goto err;
-	}
 
 	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
 
@@ -232,12 +222,4 @@  int wl12xx_debugfs_add_files(struct wl1271 *wl,
 	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
 
 	return 0;
-
-err:
-	if (IS_ERR(entry))
-		ret = PTR_ERR(entry);
-	else
-		ret = -ENOMEM;
-
-	return ret;
 }