diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2009-06-28 23:25:28 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-10 15:02:26 -0400 |
| commit | 9d49e861a5e31fb7f575f348743886189045e102 (patch) | |
| tree | 2392541960aca9fbdd1c00e0694f0c5402036bb3 | |
| parent | 31670070ffe18f8e8743109b19297a0efac0a72c (diff) | |
ath9k: remove permissions from debugfs files
Don't allow users to open debugfs files, because it can cause oopses.
When a user opens some file, driver unlinks it and frees the
corresponding structure, we will dereference freed memory.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 6d20725d645..9f99f00c144 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -500,31 +500,31 @@ int ath9k_init_debug(struct ath_softc *sc) goto err; sc->debug.debugfs_debug = debugfs_create_file("debug", - S_IRUGO | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); + S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); if (!sc->debug.debugfs_debug) goto err; - sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO, + sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_dma); if (!sc->debug.debugfs_dma) goto err; sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", - S_IRUGO, + S_IRUSR, sc->debug.debugfs_phy, sc, &fops_interrupt); if (!sc->debug.debugfs_interrupt) goto err; sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", - S_IRUGO, + S_IRUSR, sc->debug.debugfs_phy, sc, &fops_rcstat); if (!sc->debug.debugfs_rcstat) goto err; sc->debug.debugfs_wiphy = debugfs_create_file( - "wiphy", S_IRUGO | S_IWUSR, sc->debug.debugfs_phy, sc, + "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_wiphy); if (!sc->debug.debugfs_wiphy) goto err; |