From e190bc05b191ff62157ca63322aedd14c7e87d32 Mon Sep 17 00:00:00 2001 From: Govindaraj Saminathan Date: Mon, 13 Apr 2020 16:51:12 +0530 Subject: [PATCH] ath11k: cleanup reo command error code overwritten should not overwrite the error code. No buffer available then return invalid. For other failures return the error code of actual failure. Signed-off-by: Govindaraj Saminathan Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1586776872-25766-1-git-send-email-gsamin@codeaurora.org --- drivers/net/wireless/ath/ath11k/dp_tx.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/dp_tx.c b/drivers/net/wireless/ath/ath11k/dp_tx.c index 7aac4b0..6f40e72 100644 --- a/drivers/net/wireless/ath/ath11k/dp_tx.c +++ b/drivers/net/wireless/ath/ath11k/dp_tx.c @@ -543,8 +543,12 @@ int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid, cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id]; cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd); + /* cmd_num should start from 1, during failure return the error code */ + if (cmd_num < 0) + return cmd_num; + /* reo cmd ring descriptors has cmd_num starting from 1 */ - if (cmd_num <= 0) + if (cmd_num == 0) return -EINVAL; if (!cb) -- 2.7.4