[PATCH] ti: wl12xx: no need to check return value of debugfs_create functions

From: Greg Kroah-Hartman
Date: Tue Jan 22 2019 - 10:23:01 EST


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@xxxxxxxxxxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ti/wl12xx/debugfs.c | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)

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;
}
--
2.20.1