linux-kernel - [PATCH v2 2/4] mmc: sdhci-msm: fix dev reference leaked through of_qcom_ice

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20250117-qcom-ice-fix-dev-leak-v2-2-1ffa5b6884cb@linaro.org>
Date: Fri, 17 Jan 2025 14:18:51 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Adrian Hunter <adrian.hunter@...el.com>, 
 Ulf Hansson <ulf.hansson@...aro.org>, Abel Vesa <abel.vesa@...aro.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, 
 "Martin K. Petersen" <martin.petersen@...cle.com>, 
 Eric Biggers <ebiggers@...gle.com>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-mmc@...r.kernel.org, linux-scsi@...r.kernel.org, 
 andre.draszik@...aro.org, peter.griffin@...aro.org, willmcvicker@...gle.com, 
 kernel-team@...roid.com, Tudor Ambarus <tudor.ambarus@...aro.org>, 
 stable@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 2/4] mmc: sdhci-msm: fix dev reference leaked through
 of_qcom_ice_get

The driver leaks the device reference taken with
of_find_device_by_node(). Fix the leak by using devm_of_qcom_ice_get().

Fixes: c7eed31e235c ("mmc: sdhci-msm: Switch to the new ICE API")
Cc: stable@...r.kernel.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Acked-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/mmc/host/sdhci-msm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 4610f067faca..559ea5af27f2 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -1824,7 +1824,7 @@ static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
 	if (!(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
 		return 0;

-	ice = of_qcom_ice_get(dev);
+	ice = devm_of_qcom_ice_get(dev);
 	if (ice == ERR_PTR(-EOPNOTSUPP)) {
 		dev_warn(dev, "Disabling inline encryption support\n");
 		ice = NULL;

-- 
2.48.0.rc2.279.g1de40edade-goog