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From 342fcde9d91460f01f65707e16368a1571271a3a Mon Sep 17 00:00:00 2001
From: Yang Yingliang <yangyingliang@huawei.com>
Date: Fri, 17 Feb 2023 11:00:31 +0800
Subject: [PATCH] wifi: ath11k: fix return value check in ath11k_ahb_probe()
ioremap() returns NULL pointer not PTR_ERR() when it fails,
so replace the IS_ERR() check with NULL pointer check.
Fixes: b42b3678c91f ("wifi: ath11k: remap ce register space for IPQ5018")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230217030031.4021289-1-yangyingliang@huawei.com
---
drivers/net/wireless/ath/ath11k/ahb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -1174,7 +1174,7 @@ static int ath11k_ahb_probe(struct platf
* to a new space for accessing them.
*/
ab->mem_ce = ioremap(ce_remap->base, ce_remap->size);
- if (IS_ERR(ab->mem_ce)) {
+ if (!ab->mem_ce) {
dev_err(&pdev->dev, "ce ioremap error\n");
ret = -ENOMEM;
goto err_core_free;
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