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From: Eric Biggers <ebiggers@kernel.org>
To: linux-block@vger.kernel.org, linux-fscrypt@vger.kernel.org,
	linux-mmc@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,
	Bartosz Golaszewski <brgl@bgdev.pl>,
	Gaurav Kashyap <quic_gaurkash@quicinc.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Bart Van Assche <bvanassche@acm.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Jens Axboe <axboe@kernel.dk>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	stable@vger.kernel.org, Abel Vesa <abel.vesa@linaro.org>
Subject: [PATCH v10 05/15] mmc: sdhci-msm: fix crypto key eviction
Date: Thu, 12 Dec 2024 20:19:48 -0800	[thread overview]
Message-ID: <20241213041958.202565-6-ebiggers@kernel.org> (raw)
In-Reply-To: <20241213041958.202565-1-ebiggers@kernel.org>

From: Eric Biggers <ebiggers@google.com>

Commit c7eed31e235c ("mmc: sdhci-msm: Switch to the new ICE API")
introduced an incorrect check of the algorithm ID into the key eviction
path, and thus qcom_ice_evict_key() is no longer ever called.  Fix it.

Fixes: c7eed31e235c ("mmc: sdhci-msm: Switch to the new ICE API")
Cc: stable@vger.kernel.org
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 drivers/mmc/host/sdhci-msm.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index e00208535bd1..319f0ebbe652 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -1865,24 +1865,24 @@ static int sdhci_msm_program_key(struct cqhci_host *cq_host,
 	struct sdhci_host *host = mmc_priv(cq_host->mmc);
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
 	union cqhci_crypto_cap_entry cap;
 
+	if (!(cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE))
+		return qcom_ice_evict_key(msm_host->ice, slot);
+
 	/* Only AES-256-XTS has been tested so far. */
 	cap = cq_host->crypto_cap_array[cfg->crypto_cap_idx];
 	if (cap.algorithm_id != CQHCI_CRYPTO_ALG_AES_XTS ||
 		cap.key_size != CQHCI_CRYPTO_KEY_SIZE_256)
 		return -EINVAL;
 
-	if (cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE)
-		return qcom_ice_program_key(msm_host->ice,
-					    QCOM_ICE_CRYPTO_ALG_AES_XTS,
-					    QCOM_ICE_CRYPTO_KEY_SIZE_256,
-					    cfg->crypto_key,
-					    cfg->data_unit_size, slot);
-	else
-		return qcom_ice_evict_key(msm_host->ice, slot);
+	return qcom_ice_program_key(msm_host->ice,
+				    QCOM_ICE_CRYPTO_ALG_AES_XTS,
+				    QCOM_ICE_CRYPTO_KEY_SIZE_256,
+				    cfg->crypto_key,
+				    cfg->data_unit_size, slot);
 }
 
 #else /* CONFIG_MMC_CRYPTO */
 
 static inline int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
-- 
2.47.1


  parent reply	other threads:[~2024-12-13  4:20 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-13  4:19 [PATCH v10 00/15] Support for hardware-wrapped inline encryption keys Eric Biggers
2024-12-13  4:19 ` [PATCH v10 01/15] ufs: qcom: fix crypto key eviction Eric Biggers
2024-12-13  4:19 ` [PATCH v10 02/15] ufs: crypto: add ufs_hba_from_crypto_profile() Eric Biggers
2024-12-13  4:19 ` [PATCH v10 03/15] ufs: qcom: convert to use UFSHCD_QUIRK_CUSTOM_CRYPTO_PROFILE Eric Biggers
2024-12-13  4:19 ` [PATCH v10 04/15] ufs: crypto: remove ufs_hba_variant_ops::program_key Eric Biggers
2024-12-13  4:19 ` Eric Biggers [this message]
2024-12-19 13:48   ` [PATCH v10 05/15] mmc: sdhci-msm: fix crypto key eviction Ulf Hansson
2024-12-13  4:19 ` [PATCH v10 06/15] mmc: crypto: add mmc_from_crypto_profile() Eric Biggers
2024-12-19 13:48   ` Ulf Hansson
2024-12-13  4:19 ` [PATCH v10 07/15] mmc: sdhci-msm: convert to use custom crypto profile Eric Biggers
2024-12-19 13:48   ` Ulf Hansson
2024-12-13  4:19 ` [PATCH v10 08/15] firmware: qcom: scm: add calls for wrapped key support Eric Biggers
2024-12-13  4:19 ` [PATCH v10 09/15] soc: qcom: ice: make qcom_ice_program_key() take struct blk_crypto_key Eric Biggers
2024-12-13  4:19 ` [PATCH v10 10/15] blk-crypto: add basic hardware-wrapped key support Eric Biggers
2024-12-13  4:19 ` [PATCH v10 11/15] blk-crypto: show supported key types in sysfs Eric Biggers
2024-12-13  4:19 ` [PATCH v10 12/15] blk-crypto: add ioctls to create and prepare hardware-wrapped keys Eric Biggers
2024-12-13  4:19 ` [PATCH v10 13/15] fscrypt: add support for " Eric Biggers
2024-12-13  4:19 ` [PATCH v10 14/15] soc: qcom: ice: add HWKM support to the ICE driver Eric Biggers
2024-12-13  4:19 ` [PATCH v10 15/15] ufs: qcom: add support for wrapped keys Eric Biggers
2025-01-02 18:38 ` [PATCH v10 00/15] Support for hardware-wrapped inline encryption keys Eric Biggers
2025-01-02 18:40 ` Martin K. Petersen
2025-01-02 18:44   ` Eric Biggers
2025-01-09 18:27 ` (subset) " Bjorn Andersson
2025-01-10  8:44 ` Bartosz Golaszewski
2025-01-10 19:10   ` Eric Biggers
2025-01-10 21:16 ` (subset) " Martin K. Petersen

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