diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-09-04 12:36:45 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-09-11 22:44:44 +0200 |
| commit | adb43b24ec12a008656dcca831ab835a94261963 (patch) | |
| tree | 00062bdb2c54aa6d66b6550bab6e1ae879105c77 /drivers/net/wireless/ath | |
| parent | ath10k: support firmware crash-by-assert (diff) | |
| download | linux-adb43b24ec12a008656dcca831ab835a94261963.tar.xz linux-adb43b24ec12a008656dcca831ab835a94261963.zip | |
ath10k: fix debugfs_create_dir() checking
The function may return an -ENODEV if debugfs is
disabled in kernel. This should originally be
guarded by ath10k's Kconfig but it still makes
sense to check for the non-NULL errno return
value.
Reported-by: Matteo Croce <matteo@openwrt.org>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index c5d01058c2a3..c1921143a870 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1176,8 +1176,12 @@ int ath10k_debug_register(struct ath10k *ar) { ar->debug.debugfs_phy = debugfs_create_dir("ath10k", ar->hw->wiphy->debugfsdir); - if (!ar->debug.debugfs_phy) - return -ENOMEM; + if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { + if (IS_ERR(ar->debug.debugfs_phy)) + return PTR_ERR(ar->debug.debugfs_phy); + else + return -ENOMEM; + } INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, ath10k_debug_htt_stats_dwork); |