diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2015-08-26 12:22:12 +0200 |
|---|---|---|
| committer | Luciano Coelho <luciano.coelho@intel.com> | 2015-08-28 13:26:35 +0300 |
| commit | cfe417bc47ba8f470941a1b8ad60911e163f1b34 (patch) | |
| tree | e26ac6578589499ef8a75f34a88cb26f2c40a616 | |
| parent | cf8c3cff3fcce966c6d31001c09c92778f961eea (diff) | |
| download | lwn-cfe417bc47ba8f470941a1b8ad60911e163f1b34.tar.gz lwn-cfe417bc47ba8f470941a1b8ad60911e163f1b34.zip | |
iwlwifi: mvm: don't NUL-terminate low-latency debugfs file
There's obviously no reason to write a NUL-terminating byte into
the debugfs file. Apparently nobody tried to use this from a tool
that doesn't strip NUL bytes though, so we never noticed. Fix it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c index 383a3162046c..334ae56e5d8b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c @@ -1250,11 +1250,10 @@ static ssize_t iwl_dbgfs_low_latency_read(struct file *file, { struct ieee80211_vif *vif = file->private_data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - char buf[3]; + char buf[2]; buf[0] = mvmvif->low_latency ? '1' : '0'; buf[1] = '\n'; - buf[2] = '\0'; return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf)); } |