5.4-stable review patch. If anyone has any objections, please let me know.
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From: Wang Ming machel@vivo.com
[ 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: e5facc75fa91 ("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 --- drivers/net/wireless/ath/ath9k/htc_drv_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index b3ed65e5c4da8..c55aab01fff5d 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -491,7 +491,7 @@ int ath9k_htc_init_debug(struct ath_hw *ah)
priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME, priv->hw->wiphy->debugfsdir); - if (!priv->debug.debugfs_phy) + if (IS_ERR(priv->debug.debugfs_phy)) return -ENOMEM;
ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy);