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

diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index cd48eca..022caac 100644 (file)
--- 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 platform_device *pdev)
                 * 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;