Commit 7dd58748 authored by Sujith's avatar Sujith Committed by John W. Linville

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: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5cc93992
...@@ -498,6 +498,9 @@ int ath9k_init_debug(struct ath_softc *sc) ...@@ -498,6 +498,9 @@ int ath9k_init_debug(struct ath_softc *sc)
{ {
sc->debug.debug_mask = ath9k_debug; sc->debug.debug_mask = ath9k_debug;
if (!ath9k_debugfs_root)
return -ENOENT;
sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
ath9k_debugfs_root); ath9k_debugfs_root);
if (!sc->debug.debugfs_phy) if (!sc->debug.debugfs_phy)
......
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