Commit cfe417bc authored Aug 26, 2015 by Johannes Berg Committed by Luciano Coelho Aug 28, 2015

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>

parent cf8c3cff

drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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));
		}