iwlwifi: correct return code for log_event
When dumping event log in debugfs, iwl_dump_nic_event_log()
should return the correct error code instead of let the calling
function makes it own assumption.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 19c7fab..a7ca06d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -429,8 +429,9 @@
int pos = 0;
ssize_t ret = -ENOMEM;
- pos = priv->cfg->ops->lib->dump_nic_event_log(priv, true, &buf, true);
- if (pos && buf) {
+ ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
+ priv, true, &buf, true);
+ if (buf) {
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
}