iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iwlwifi: mvm: don't NUL-terminate low-latency debugfs file

Browse Source 
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>
This commit is contained in:
Johannes Berg 2015-08-26 12:22:12 +02:00 committed by Luciano Coelho
parent cf8c3cff3f
commit cfe417bc47
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
View File

@ -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));
}