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wifi: ath9k: use IS_ERR() with debugfs_create_dir()

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[ Upstream commit 1e4134610d93271535ecf900a676e1f094e9944c ]

The debugfs_create_dir() function returns error pointers,
it never returns NULL. Most incorrect error checks were fixed,
but the one in ath9k_htc_init_debug() was forgotten.

Fix the remaining error check.

Fixes: e5facc75fa ("ath9k_htc: Cleanup HTC debugfs")
Signed-off-by: Wang Ming <machel@vivo.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230713030358.12379-1-machel@vivo.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wang Ming
2023-07-13 11:03:44 +08:00
committed by Greg Kroah-Hartman
parent 50f89daf9e
commit d4f79aa9ee
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/ath9k/htc_drv_debug.c
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@@ -491,7 +491,7 @@ int ath9k_htc_init_debug(struct ath_hw *ah)
priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME, priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME,
priv->hw->wiphy->debugfsdir); priv->hw->wiphy->debugfsdir);
if (!priv->debug.debugfs_phy) if (IS_ERR(priv->debug.debugfs_phy))
return -ENOMEM; return -ENOMEM;
ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy); ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy);