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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-21 06:52:04 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-21 06:52:04 +0200 |
| commit | a02efb906d12c9d4eb2ab7c59049ba9545e5412d (patch) | |
| tree | bf1f6467978ec63a22f42299ecac2ee7f7e73336 /net/mac80211/debugfs_sta.c | |
| parent | Merge commit 'kumar/kumar-for-2.6.28' (diff) | |
| parent | binfmt_elf_fdpic: Update for cputime changes. (diff) | |
| download | linux-a02efb906d12c9d4eb2ab7c59049ba9545e5412d.tar.xz linux-a02efb906d12c9d4eb2ab7c59049ba9545e5412d.zip | |
Merge commit 'origin' into master
Manual merge of:
arch/powerpc/Kconfig
arch/powerpc/include/asm/page.h
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index b9902e425f09..189d0bafa91a 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -249,11 +249,22 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DECLARE_MAC_BUF(mbuf); u8 *mac; + sta->debugfs.add_has_run = true; + if (!stations_dir) return; mac = print_mac(mbuf, sta->sta.addr); + /* + * This might fail due to a race condition: + * When mac80211 unlinks a station, the debugfs entries + * remain, but it is already possible to link a new + * station with the same address which triggers adding + * it to debugfs; therefore, if the old station isn't + * destroyed quickly enough the old station's debugfs + * dir might still be around. + */ sta->debugfs.dir = debugfs_create_dir(mac, stations_dir); if (!sta->debugfs.dir) return; |