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| author | Pavel Roskin <proski@gnu.org> | 2010-01-30 19:55:09 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-02-01 15:40:07 -0500 |
| commit | 4c82bf8e5689b1dddd9bcec70efc3b70edef1670 (patch) | |
| tree | 28ad6c29c4b121e0a0aa5013d7ee67ed5d2de3a2 /net | |
| parent | 9501fefec6aa9a3319bb61edb99851ba30653f30 (diff) | |
| download | linux-4c82bf8e5689b1dddd9bcec70efc3b70edef1670.tar.gz linux-4c82bf8e5689b1dddd9bcec70efc3b70edef1670.tar.bz2 linux-4c82bf8e5689b1dddd9bcec70efc3b70edef1670.zip | |
mac80211: reduce stack usage in sta_ht_capa_read()
The maximal size of the "ht_capa" file is 430 bytes. In most cases,
it's much shorter. Use a 512 byte long buffer. 1024 bytes is too much
and causes a warning with CONFIG_FRAME_WARN=1024.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 0d4a759ba72c..84865e7ef13b 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -165,7 +165,7 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, if (_cond) \ p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ } while (0) - char buf[1024], *p = buf; + char buf[512], *p = buf; int i; struct sta_info *sta = file->private_data; struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; |