[PATCH 097/379][SRU][OEM-5.6] ath11k: fix error return code in ath11k_dp_alloc()

[You-Sheng Yang]

From: Wei Yongjun <weiyongjun1 at huawei.com>

BugLink: https://bugs.launchpad.net/bugs/1879633

Fix to return negative error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: d0998eb84ed3 ("ath11k: optimise ath11k_dp_tx_completion_handler")
Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
Signed-off-by: Kalle Valo <kvalo at codeaurora.org>
Link: https://lore.kernel.org/r/20200427104621.23752-1-weiyongjun1@huawei.com
(cherry picked from commit f76f750aeea47fd98b6502eb6d37f84ca33662bf)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 drivers/net/wireless/ath/ath11k/dp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath11k/dp.c b/drivers/net/wireless/ath/ath11k/dp.c
index 8d6fb848f8c4..145015d2f49c 100644
--- a/drivers/net/wireless/ath/ath11k/dp.c
+++ b/drivers/net/wireless/ath/ath11k/dp.c
@@ -911,8 +911,10 @@ int ath11k_dp_alloc(struct ath11k_base *ab)
 		dp->tx_ring[i].tx_status_head = 0;
 		dp->tx_ring[i].tx_status_tail = DP_TX_COMP_RING_SIZE - 1;
 		dp->tx_ring[i].tx_status = kmalloc(size, GFP_KERNEL);
-		if (!dp->tx_ring[i].tx_status)
+		if (!dp->tx_ring[i].tx_status) {
+			ret = -ENOMEM;
 			goto fail_cmn_srng_cleanup;
+		}
 	}
 
 	for (i = 0; i < HAL_DSCP_TID_MAP_TBL_NUM_ENTRIES_MAX; i++)
-- 
2.29.2