Clang Static Checker (scan-build) Warning: drivers/net/wireless/ath/ath10k/debugfs_sta.c:line 429, column 3 Value stored to 'ret' is never read. Return 'ret' rather than 'count' when 'ret' stores an error code. By the way, remove some useless code. Fixes: ee8b08a1be82 ("ath10k: add debugfs support to get per peer tids log via tracing") Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx> --- drivers/net/wireless/ath/ath10k/debugfs_sta.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c index 394bf3c32abf..5525dabe390a 100644 --- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c +++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c @@ -415,7 +415,7 @@ ath10k_dbg_sta_write_peer_debug_trigger(struct file *file, struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; struct ath10k *ar = arsta->arvif->ar; u8 peer_debug_trigger; - int ret; + int ret = 0; if (kstrtou8_from_user(user_buf, count, 0, &peer_debug_trigger)) return -EINVAL; @@ -432,14 +432,12 @@ ath10k_dbg_sta_write_peer_debug_trigger(struct file *file, ret = ath10k_wmi_peer_set_param(ar, arsta->arvif->vdev_id, sta->addr, ar->wmi.peer_param->debug, peer_debug_trigger); - if (ret) { + if (ret) ath10k_warn(ar, "failed to set param to trigger peer tid logs for station ret: %d\n", ret); - goto out; - } out: mutex_unlock(&ar->conf_mutex); - return count; + return ret ?: count; } static const struct file_operations fops_peer_debug_trigger = { -- 2.30.2