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Thu, 10 Apr 2025 09:26:19 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-39d89389ed6sm5196989f8f.41.2025.04.10.09.26.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Apr 2025 09:26:19 -0700 (PDT) Date: Thu, 10 Apr 2025 19:26:16 +0300 From: Dan Carpenter To: Sowmiya Sree Elavalagan Cc: Jeff Johnson , Raj Kumar Bhagat , Vasanthakumar Thiagarajan , Balamurugan S , P Praneesh , linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH next] wifi: ath12k: Fix a couple NULL vs IS_ERR() bugs Message-ID: <937abc74-9648-4c05-a2c3-8db408b3ed9e@stanley.mountain> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The devm_memremap() function returns error pointers on error and the ioremap() function returns NULL on error. The error checking here got those flipped around. Fixes: c01d5cc9b9fe ("wifi: ath12k: Power up userPD") Fixes: 6cee30f0da75 ("wifi: ath12k: add AHB driver support for IPQ5332") Signed-off-by: Dan Carpenter Reviewed-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath/ath12k/ahb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/a= th/ath12k/ahb.c index a9d9943a73f4..636dfe237a79 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -360,10 +360,10 @@ static int ath12k_ahb_power_up(struct ath12k_base *ab) mem_phys =3D rmem->base; mem_size =3D rmem->size; mem_region =3D devm_memremap(dev, mem_phys, mem_size, MEMREMAP_WC); - if (!mem_region) { + if (IS_ERR(mem_region)) { ath12k_err(ab, "unable to map memory region: %pa+%pa\n", &rmem->base, &rmem->size); - return -ENOMEM; + return PTR_ERR(mem_region); } =20 snprintf(fw_name, sizeof(fw_name), "%s/%s/%s%d%s", ATH12K_FW_DIR, @@ -929,7 +929,7 @@ static int ath12k_ahb_resource_init(struct ath12k_base = *ab) * for accessing them. */ ab->mem_ce =3D 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 =3D -ENOMEM; goto err_mem_unmap; --=20 2.47.2