From 7dd58748592db1e5a77cfbddb8beffcfdb0242fe Mon Sep 17 00:00:00 2001 From: Sujith Date: Mon, 30 Mar 2009 15:28:42 +0530 Subject: [PATCH] ath9k: Check for root debugfs file Creation of the root debugfs file could have failed for some reason, check properly before proceeding in this case. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/debug.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c index fdf9528..97df20c 100644 --- a/drivers/net/wireless/ath9k/debug.c +++ b/drivers/net/wireless/ath9k/debug.c @@ -498,6 +498,9 @@ int ath9k_init_debug(struct ath_softc *sc) { sc->debug.debug_mask = ath9k_debug; + if (!ath9k_debugfs_root) + return -ENOENT; + sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), ath9k_debugfs_root); if (!sc->debug.debugfs_phy) -- 2.7.4