From nobody Fri Oct 3 23:02:05 2025 Received: from lamorak.hansenpartnership.com (lamorak.hansenpartnership.com [198.37.111.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10B2A263F22; Fri, 22 Aug 2025 10:17:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.37.111.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755857867; cv=none; b=aw8jUUNIHtvIdNNhKoHZ99Auo0LRhMXAQbat4t5Ho+/OaDg6Mo5wlRaGd3Fec7o6kgk92F4sfhv+doDTLjjRYc2pSkRrr48bfJGs3/dzcVdeSY1nud1peErNmKOcz+Ef5fEqGG4M+L+SdkTOZa4NHq52xr44X+nfwG1Z7NgcYHo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755857867; c=relaxed/simple; bh=Y7qcWVF+D5oOwpZXrzLgBUf38TUjtat2egHfj8C7kso=; h=Message-ID:Subject:From:To:Cc:Date:Content-Type:MIME-Version; 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 8mT2Eh9SkH+YVOmaKsajgZgrBxA7fWmGoxXswEVxJIFj3vW7yNc0C5HaUdYa5iGOMs4kg2ht4s7yy7NRQuh7BifWjo6BQ6k4S1H+6axZucxhSV1L6zN9d+lr3Xo/vy1unzA== Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" All fixes in drivers. The largest diffstat in ufs is caused by the doc update with the next being the qcom null pointer deref fix. The patch is available here: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes The short changelog is: Adrian Hunter (1): scsi: ufs: ufs-pci: Add support for Intel Wildcat Lake Bart Van Assche (4): scsi: ufs: core: Rename ufshcd_wait_for_doorbell_clr() scsi: ufs: core: Fix the return value documentation scsi: ufs: core: Remove WARN_ON_ONCE() call from ufshcd_uic_cmd_compl= () scsi: ufs: core: Fix IRQ lock inversion for the SCSI host lock Christoph Hellwig (1): scsi: fnic: Remove a useless struct mempool forward declaration Dan Carpenter (1): scsi: qla4xxx: Prevent a potential error pointer dereference Nitin Rawat (1): scsi: ufs: ufs-qcom: Fix ESI null pointer dereference And the diffstat: drivers/scsi/fnic/fnic.h | 2 -- drivers/scsi/qla4xxx/ql4_os.c | 2 ++ drivers/ufs/core/ufshcd.c | 76 +++++++++++++++++++++++++--------------= ---- drivers/ufs/host/ufs-qcom.c | 39 +++++++++------------- drivers/ufs/host/ufshcd-pci.c | 1 + 5 files changed, 62 insertions(+), 58 deletions(-) With full diff below. Regards, James --- diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index c2fdc6553e62..1199d701c3f5 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -323,8 +323,6 @@ enum fnic_state { FNIC_IN_ETH_TRANS_FC_MODE, }; =20 -struct mempool; - enum fnic_role_e { FNIC_ROLE_FCP_INITIATOR =3D 0, }; diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index a39f1da4ce47..a761c0aa5127 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -6606,6 +6606,8 @@ static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(str= uct scsi_qla_host *ha, =20 ep =3D qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); vfree(dst_addr); + if (IS_ERR(ep)) + return NULL; return ep; } =20 diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index efd7a811a002..9a43102b2b21 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -1303,7 +1303,7 @@ static u32 ufshcd_pending_cmds(struct ufs_hba *hba) * * Return: 0 upon success; -EBUSY upon timeout. */ -static int ufshcd_wait_for_doorbell_clr(struct ufs_hba *hba, +static int ufshcd_wait_for_pending_cmds(struct ufs_hba *hba, u64 wait_timeout_us) { int ret =3D 0; @@ -1431,7 +1431,7 @@ static int ufshcd_clock_scaling_prepare(struct ufs_hb= a *hba, u64 timeout_us) down_write(&hba->clk_scaling_lock); =20 if (!hba->clk_scaling.is_allowed || - ufshcd_wait_for_doorbell_clr(hba, timeout_us)) { + ufshcd_wait_for_pending_cmds(hba, timeout_us)) { ret =3D -EBUSY; up_write(&hba->clk_scaling_lock); mutex_unlock(&hba->wb_mutex); @@ -3199,7 +3199,8 @@ ufshcd_dev_cmd_completion(struct ufs_hba *hba, struct= ufshcd_lrb *lrbp) } =20 /* - * Return: 0 upon success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, int max_timeout) @@ -3275,7 +3276,6 @@ static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hb= a, } } =20 - WARN_ONCE(err > 0, "Incorrect return value %d > 0\n", err); return err; } =20 @@ -3294,7 +3294,8 @@ static void ufshcd_dev_man_unlock(struct ufs_hba *hba) } =20 /* - * Return: 0 upon success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int ufshcd_issue_dev_cmd(struct ufs_hba *hba, struct ufshcd_lrb *lr= bp, const u32 tag, int timeout) @@ -3317,7 +3318,8 @@ static int ufshcd_issue_dev_cmd(struct ufs_hba *hba, = struct ufshcd_lrb *lrbp, * @cmd_type: specifies the type (NOP, Query...) * @timeout: timeout in milliseconds * - * Return: 0 upon success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. * * NOTE: Since there is only one available tag for device management comma= nds, * it is expected you hold the hba->dev_cmd.lock mutex. @@ -3363,6 +3365,10 @@ static inline void ufshcd_init_query(struct ufs_hba = *hba, (*request)->upiu_req.selector =3D selector; } =20 +/* + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. + */ static int ufshcd_query_flag_retry(struct ufs_hba *hba, enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res) { @@ -3383,7 +3389,6 @@ static int ufshcd_query_flag_retry(struct ufs_hba *hb= a, dev_err(hba->dev, "%s: query flag, opcode %d, idn %d, failed with error %d after %d retri= es\n", __func__, opcode, idn, ret, retries); - WARN_ONCE(ret > 0, "Incorrect return value %d > 0\n", ret); return ret; } =20 @@ -3395,7 +3400,8 @@ static int ufshcd_query_flag_retry(struct ufs_hba *hb= a, * @index: flag index to access * @flag_res: the flag value after the query request completes * - * Return: 0 for success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res) @@ -3451,7 +3457,6 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query= _opcode opcode, =20 out_unlock: ufshcd_dev_man_unlock(hba); - WARN_ONCE(err > 0, "Incorrect return value %d > 0\n", err); return err; } =20 @@ -3464,8 +3469,9 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query= _opcode opcode, * @selector: selector field * @attr_val: the attribute value after the query request completes * - * Return: 0 upon success; < 0 upon failure. -*/ + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. + */ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector, u32 *attr_val) { @@ -3513,7 +3519,6 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query= _opcode opcode, =20 out_unlock: ufshcd_dev_man_unlock(hba); - WARN_ONCE(err > 0, "Incorrect return value %d > 0\n", err); return err; } =20 @@ -3528,8 +3533,9 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query= _opcode opcode, * @attr_val: the attribute value after the query request * completes * - * Return: 0 for success; < 0 upon failure. -*/ + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. + */ int ufshcd_query_attr_retry(struct ufs_hba *hba, enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector, u32 *attr_val) @@ -3551,12 +3557,12 @@ int ufshcd_query_attr_retry(struct ufs_hba *hba, dev_err(hba->dev, "%s: query attribute, idn %d, failed with error %d after %d retries\n", __func__, idn, ret, QUERY_REQ_RETRIES); - WARN_ONCE(ret > 0, "Incorrect return value %d > 0\n", ret); return ret; } =20 /* - * Return: 0 if successful; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int __ufshcd_query_descriptor(struct ufs_hba *hba, enum query_opcode opcode, enum desc_idn idn, u8 index, @@ -3615,7 +3621,6 @@ static int __ufshcd_query_descriptor(struct ufs_hba *= hba, out_unlock: hba->dev_cmd.query.descriptor =3D NULL; ufshcd_dev_man_unlock(hba); - WARN_ONCE(err > 0, "Incorrect return value %d > 0\n", err); return err; } =20 @@ -3632,7 +3637,8 @@ static int __ufshcd_query_descriptor(struct ufs_hba *= hba, * The buf_len parameter will contain, on return, the length parameter * received on the response. * - * Return: 0 for success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ int ufshcd_query_descriptor_retry(struct ufs_hba *hba, enum query_opcode opcode, @@ -3650,7 +3656,6 @@ int ufshcd_query_descriptor_retry(struct ufs_hba *hba, break; } =20 - WARN_ONCE(err > 0, "Incorrect return value %d > 0\n", err); return err; } =20 @@ -3663,7 +3668,8 @@ int ufshcd_query_descriptor_retry(struct ufs_hba *hba, * @param_read_buf: pointer to buffer where parameter would be read * @param_size: sizeof(param_read_buf) * - * Return: 0 in case of success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ int ufshcd_read_desc_param(struct ufs_hba *hba, enum desc_idn desc_id, @@ -3730,7 +3736,6 @@ int ufshcd_read_desc_param(struct ufs_hba *hba, out: if (is_kmalloc) kfree(desc_buf); - WARN_ONCE(ret > 0, "Incorrect return value %d > 0\n", ret); return ret; } =20 @@ -4781,7 +4786,8 @@ EXPORT_SYMBOL_GPL(ufshcd_config_pwr_mode); * * Set fDeviceInit flag and poll until device toggles it. * - * Return: 0 upon success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int ufshcd_complete_dev_init(struct ufs_hba *hba) { @@ -5135,7 +5141,8 @@ static int ufshcd_link_startup(struct ufs_hba *hba) * not respond with NOP IN UPIU within timeout of %NOP_OUT_TIMEOUT * and we retry sending NOP OUT for %NOP_OUT_RETRIES iterations. * - * Return: 0 upon success; < 0 upon failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int ufshcd_verify_dev_init(struct ufs_hba *hba) { @@ -5559,9 +5566,9 @@ static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hb= a *hba, u32 intr_status) irqreturn_t retval =3D IRQ_NONE; struct uic_command *cmd; =20 - spin_lock(hba->host->host_lock); + guard(spinlock_irqsave)(hba->host->host_lock); cmd =3D hba->active_uic_cmd; - if (WARN_ON_ONCE(!cmd)) + if (!cmd) goto unlock; =20 if (ufshcd_is_auto_hibern8_error(hba, intr_status)) @@ -5586,8 +5593,6 @@ static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hb= a *hba, u32 intr_status) ufshcd_add_uic_command_trace(hba, cmd, UFS_CMD_COMP); =20 unlock: - spin_unlock(hba->host->host_lock); - return retval; } =20 @@ -5869,7 +5874,8 @@ static inline int ufshcd_enable_ee(struct ufs_hba *hb= a, u16 mask) * as the device is allowed to manage its own way of handling background * operations. * - * Return: zero on success, non-zero on failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int ufshcd_enable_auto_bkops(struct ufs_hba *hba) { @@ -5908,7 +5914,8 @@ static int ufshcd_enable_auto_bkops(struct ufs_hba *h= ba) * host is idle so that BKOPS are managed effectively without any negative * impacts. * - * Return: zero on success, non-zero on failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ static int ufshcd_disable_auto_bkops(struct ufs_hba *hba) { @@ -6058,6 +6065,10 @@ static void ufshcd_bkops_exception_event_handler(str= uct ufs_hba *hba) __func__, err); } =20 +/* + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. + */ int ufshcd_read_device_lvl_exception_id(struct ufs_hba *hba, u64 *exceptio= n_id) { struct utp_upiu_query_v4_0 *upiu_resp; @@ -6920,7 +6931,7 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba= *hba, u32 intr_status) bool queue_eh_work =3D false; irqreturn_t retval =3D IRQ_NONE; =20 - spin_lock(hba->host->host_lock); + guard(spinlock_irqsave)(hba->host->host_lock); hba->errors |=3D UFSHCD_ERROR_MASK & intr_status; =20 if (hba->errors & INT_FATAL_ERRORS) { @@ -6979,7 +6990,7 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba= *hba, u32 intr_status) */ hba->errors =3D 0; hba->uic_error =3D 0; - spin_unlock(hba->host->host_lock); + return retval; } =20 @@ -7454,7 +7465,8 @@ int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba, * @sg_list: Pointer to SG list when DATA IN/OUT UPIU is required in ARPMB= operation * @dir: DMA direction * - * Return: zero on success, non-zero on failure. + * Return: 0 upon success; > 0 in case the UFS device reported an OCS erro= r; + * < 0 if another error occurred. */ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_= req *req_upiu, struct utp_upiu_req *rsp_upiu, struct ufs_ehs *req_ehs, diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 76fc70503a62..9574fdc2bb0f 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -2070,17 +2070,6 @@ static irqreturn_t ufs_qcom_mcq_esi_handler(int irq,= void *data) return IRQ_HANDLED; } =20 -static void ufs_qcom_irq_free(struct ufs_qcom_irq *uqi) -{ - for (struct ufs_qcom_irq *q =3D uqi; q->irq; q++) - devm_free_irq(q->hba->dev, q->irq, q->hba); - - platform_device_msi_free_irqs_all(uqi->hba->dev); - devm_kfree(uqi->hba->dev, uqi); -} - -DEFINE_FREE(ufs_qcom_irq, struct ufs_qcom_irq *, if (_T) ufs_qcom_irq_free= (_T)) - static int ufs_qcom_config_esi(struct ufs_hba *hba) { struct ufs_qcom_host *host =3D ufshcd_get_variant(hba); @@ -2095,18 +2084,18 @@ static int ufs_qcom_config_esi(struct ufs_hba *hba) */ nr_irqs =3D hba->nr_hw_queues - hba->nr_queues[HCTX_TYPE_POLL]; =20 - struct ufs_qcom_irq *qi __free(ufs_qcom_irq) =3D - devm_kcalloc(hba->dev, nr_irqs, sizeof(*qi), GFP_KERNEL); - if (!qi) - return -ENOMEM; - /* Preset so __free() has a pointer to hba in all error paths */ - qi[0].hba =3D hba; - ret =3D platform_device_msi_init_and_alloc_irqs(hba->dev, nr_irqs, ufs_qcom_write_msi_msg); if (ret) { - dev_err(hba->dev, "Failed to request Platform MSI %d\n", ret); - return ret; + dev_warn(hba->dev, "Platform MSI not supported or failed, continuing wit= hout ESI\n"); + return ret; /* Continue without ESI */ + } + + struct ufs_qcom_irq *qi =3D devm_kcalloc(hba->dev, nr_irqs, sizeof(*qi), = GFP_KERNEL); + + if (!qi) { + platform_device_msi_free_irqs_all(hba->dev); + return -ENOMEM; } =20 for (int idx =3D 0; idx < nr_irqs; idx++) { @@ -2117,15 +2106,17 @@ static int ufs_qcom_config_esi(struct ufs_hba *hba) ret =3D devm_request_irq(hba->dev, qi[idx].irq, ufs_qcom_mcq_esi_handler, IRQF_SHARED, "qcom-mcq-esi", qi + idx); if (ret) { - dev_err(hba->dev, "%s: Fail to request IRQ for %d, err =3D %d\n", + dev_err(hba->dev, "%s: Failed to request IRQ for %d, err =3D %d\n", __func__, qi[idx].irq, ret); - qi[idx].irq =3D 0; + /* Free previously allocated IRQs */ + for (int j =3D 0; j < idx; j++) + devm_free_irq(hba->dev, qi[j].irq, qi + j); + platform_device_msi_free_irqs_all(hba->dev); + devm_kfree(hba->dev, qi); return ret; } } =20 - retain_and_null_ptr(qi); - if (host->hw_ver.major >=3D 6) { ufshcd_rmwl(hba, ESI_VEC_MASK, FIELD_PREP(ESI_VEC_MASK, MAX_ESI_VEC - 1), REG_UFS_CFG3); diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c index b39239f641f2..b87e03777395 100644 --- a/drivers/ufs/host/ufshcd-pci.c +++ b/drivers/ufs/host/ufshcd-pci.c @@ -630,6 +630,7 @@ static const struct pci_device_id ufshcd_pci_tbl[] =3D { { PCI_VDEVICE(INTEL, 0xA847), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, { PCI_VDEVICE(INTEL, 0x7747), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, { PCI_VDEVICE(INTEL, 0xE447), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, + { PCI_VDEVICE(INTEL, 0x4D47), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, { } /* terminate list */ }; =20