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Bottomley" , "Martin K. Petersen" , =?utf-8?q?Kai_M=C3=A4kisara?= , Alim Akhtar , Avri Altman , Bart Van Assche Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1919; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=8u2WDjTPHdiEZkQDrWw+W3Bt81pM6qe2dZqzxwZgkAQ=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmBdb7RfbHlZVhD4z3IoRhL0zEc1KJddr3qXf1f 2BE9AgbUwKJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZgXW+wAKCRDBN2bmhouD 13gWD/9ibeYZZ3UG9aQJBbeXDB4qGQWLd2z9xYCBUfU4PVF4Hgf6308iUR1Su97JeKT6QcYoQ8i W/Ea7vRm9SF7O/fAh2r2ScTc3Y5Pkc554JYmThKxhAZGP8OFPG1VnZXjFAhMeJ5ZhUTRNNwOOi0 12JTxk9lBstd+u7ePKorWdcffKZ/uioEor6ts/Pw4qP2wVztvHgX0XlxJn50qWK2NP50Ptd3c4P LzwRzcn2q2cCPhAHAidEPgmmnRsJh83UeueIScgDQkVr5VFEn5Y75ely/ZyZjvjJ/5vAmVKiJUA PRG/D4ljdHrTAuxPZbptRlwcphDjBZ3Pws6Exe8mxMbCw34dBcWcCIatjaShNw0coCoal2bWpz+ 0Yf+jKr8tPZjBGuqskTJRXxyiLPkCkKeYE83FAzEBTjBYG0V+INlvFYwEoUuOmyBDMyW+Vo9ME6 hy3PEVfMaYeHL/TS6ig5p63eOCXVvnXOUos7yiNeVqDkLq5Tqes6Vji3URNMSiwRjnp/yYtILv9 T/UA15GDlkrRyVfyQDMrpiqtOJ5lWttmEQD0uaK/JdyXrdCO0MnEgU1yq0KINFF5zVp3vCHSfQJ C9haXIhLSov+9HN5esOfuyxODIkBlDGBGuRfQvrBIX+6LtV1j1lzV1WjlVwwYOZH6L+DU81ZVxD nGyL6JlZylX+/qQ== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Modules registering driver with scsi_driver_register() might forget to set .owner field. The field is used by some of other kernel parts for reference counting (try_module_get()), so it is expected that drivers will set it. Solve the problem by moving this task away from the drivers to the core scsi code, just like we did for platform_driver in commit 9447057eaff8 ("platform_device: use a macro instead of platform_driver_register"). Signed-off-by: Krzysztof Kozlowski --- drivers/scsi/scsi_sysfs.c | 5 +++-- include/scsi/scsi_driver.h | 4 +++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 775df00021e4..b5aae4e8ae33 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1609,13 +1609,14 @@ void scsi_remove_target(struct device *dev) } EXPORT_SYMBOL(scsi_remove_target); =20 -int scsi_register_driver(struct device_driver *drv) +int __scsi_register_driver(struct device_driver *drv, struct module *owner) { drv->bus =3D &scsi_bus_type; + drv->owner =3D owner; =20 return driver_register(drv); } -EXPORT_SYMBOL(scsi_register_driver); +EXPORT_SYMBOL(__scsi_register_driver); =20 int scsi_register_interface(struct class_interface *intf) { diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index 4ce1988b2ba0..5c6724322112 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -22,7 +22,9 @@ struct scsi_driver { #define to_scsi_driver(drv) \ container_of((drv), struct scsi_driver, gendrv) =20 -extern int scsi_register_driver(struct device_driver *); +#define scsi_register_driver(drv) \ + __scsi_register_driver(drv, THIS_MODULE) +int __scsi_register_driver(struct device_driver *, struct module *); #define scsi_unregister_driver(drv) \ driver_unregister(drv); =20 --=20 2.34.1 From nobody Sun Feb 8 18:44:52 2026 Received: from mail-wr1-f46.google.com (mail-wr1-f46.google.com [209.85.221.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39BE013A875 for ; Thu, 28 Mar 2024 20:45:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711658760; cv=none; b=gkH+D3GGRyy6HHND4ld7oE8Cy7KqMnOWZbqovG5he9YINeL0pZVLfBldzufWlayVkMiSOWScOlT5hQmXgYcCqhICMC1ED1gJRjvI6Xwp9dSpDIH4buoORH+rY1alBZwcX8lze4uSfwkGXczaY8xUout/t6+F2z1AVSDn9pACtgM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711658760; 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Thu, 28 Mar 2024 13:45:56 -0700 (PDT) From: Krzysztof Kozlowski Date: Thu, 28 Mar 2024 21:45:46 +0100 Subject: [PATCH 2/6] scsi: sd: drop driver owner initialization 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" Content-Transfer-Encoding: quoted-printable Message-Id: <20240328-b4-module-owner-scsi-v1-2-c86cb4f6e91c@linaro.org> References: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> In-Reply-To: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> To: "James E.J. Bottomley" , "Martin K. Petersen" , =?utf-8?q?Kai_M=C3=A4kisara?= , Alim Akhtar , Avri Altman , Bart Van Assche Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=648; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=gN916IcSHjAxGrt7q/maZ9c7wFkfPaWOLEW7VAt440s=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmBdb8GTSlzu8DtKZvzSQzb6fUGShz2JAX+naIT dBLA8agNUyJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZgXW/AAKCRDBN2bmhouD 10gSD/9lsHVyjZ4k8JwzJLZQZnjn3DJzmE52DtyVoaMx+FIDZmj7PwJr3KJkPLwL+W25JmAkoIk PEIhpAFvHqcZIPPo5bCJ1sAIvoHbQNnWQmKC5ioG9YjWbX0MYvnNiDZj0+y38dfJYqesRnKBBVh +MEK85Y/Rk22R+EoMdqhzH273DG0xuZ/kMl9xWhddg97kzb9Bla0fL57aHaHr70uJIExOH9DDS3 QvQ+J4+A3ILkzqts9CrpbmYPEaLMDHBYe7TFcZGSRADx/KEX6yxxPODRufFavRVKX2qgUJF6Y2q cXaEE3hQVgaFxRtp/ouuDQTNq6DMbO9SdTqk9eDeIPF/XUEeZnE/IRtOQZk+Q06Swq8a4Z4OWdk ux6FSv3DN3rkV607X4QIvlfz+x4Gc+y+a1qoXpvhhqNteBQiF74haLh5+k/DaYIp7hYuFm6Uyfx jIGZvddtAB1GpKmb+G17ZrXk2QSIuTU9zzoPPKXGx2JqNuC/abvYHUeTpVtFyaKcrVPTj+MfUMv lB6ZoeqnRpnqsmzV/1d2UDiDZaHmqtePcSHLZM64nKyHTIMqUNRCLuUxb5oxclYMmMRo0xKoGBS WTSEVTITwUCOBdKm1KOiB37bnbD9bsFIwaJB99PxvEDJjP0bf1ceGwgeffxN5cC3XHe4s+ZqEpq t2wTURsrAsWa6Ag== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Core in scsi_register_driver() already sets the .owner, so driver does not need to. Signed-off-by: Krzysztof Kozlowski --- drivers/scsi/sd.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index ccff8f2e2e75..0b447f1bc1a9 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -4185,7 +4185,6 @@ static const struct dev_pm_ops sd_pm_ops =3D { static struct scsi_driver sd_template =3D { .gendrv =3D { .name =3D "sd", - .owner =3D THIS_MODULE, .probe =3D sd_probe, .probe_type =3D PROBE_PREFER_ASYNCHRONOUS, .remove =3D sd_remove, --=20 2.34.1 From nobody Sun Feb 8 18:44:52 2026 Received: from mail-lf1-f43.google.com (mail-lf1-f43.google.com [209.85.167.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C26E13AA5F for ; Thu, 28 Mar 2024 20:46:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711658762; 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Thu, 28 Mar 2024 13:45:59 -0700 (PDT) From: Krzysztof Kozlowski Date: Thu, 28 Mar 2024 21:45:48 +0100 Subject: [PATCH 4/6] scsi: sr: drop driver owner initialization 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" Content-Transfer-Encoding: quoted-printable Message-Id: <20240328-b4-module-owner-scsi-v1-4-c86cb4f6e91c@linaro.org> References: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> In-Reply-To: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> To: "James E.J. 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Petersen" , =?utf-8?q?Kai_M=C3=A4kisara?= , Alim Akhtar , Avri Altman , Bart Van Assche Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=624; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=4Fz178QR/piCy1oylUTMuDaEW9dLh/iogDNu5WpJ05Y=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmBdb+42KAcqRgn5Z2VbIu8bbhRdnyFNx2LZu3v KxbbucT+muJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZgXW/gAKCRDBN2bmhouD 17T5D/oDY+G7rZG4gjc2lMsI13yuufpx9LdNJZeci5LgHYjWQ4o9zSkFZ3jj36LAJFMH+VujJs3 oOfV1KGQQ9olmVbClqhLWE0dbpTyRumUzT0exw4aX8g2dtGwy5ALHUGppm7Lx++hwt18Fw8goy3 K6jF2z5UWkIiWGBjtDulwoj9gti3aykR/5pN0zIc6XoADK7Nsp4Z0i896pNULRGwIwBIUUAS+PL JqsN0MTUpxUeoVL574/m+Zo1Z6d3ECzn86MA5U8WjRGRnsGbC45Ns36cW9NUf3gZNZYouXWUx0M iGOf0ngHZaVVyrL81OzuNgPblNMnQ7weyU7++Zlvc5fqMH55V44HRgN28WH4p8xRftIRh/wGZ8K cGGcotfCFOxn68+sKhTNPfUZLEpXQoz2iHl3VssfJ7Z4q5xQuQIHVv2i+7sCCfjLXhwJbYCWZYj bMfnBgLpUmR83RQ1XOG4uYQMzgyWIqPwc6AStwGoX57m0FPstizWVgf3NkyhrezotcAp7JXM3bj REoBsw+Vbbr02IqB21+GkBTHJVs9sv16QSdURaBqtQyR0JKvlozukWaWOhI1Urssmd+NtYyvQ/x jUhO0sRGPzI+IxSLyU/Oj5eewx7QTUAf7zM8SMmp8/Jg+pEGZEwbvt+hUrpGbvXvWkhEU+6u4d5 QRJpVPeCg92RiMg== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Core in scsi_register_driver() already sets the .owner, so driver does not need to. Signed-off-by: Krzysztof Kozlowski --- drivers/scsi/sr.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 268b3a40891e..7ab000942b97 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -95,7 +95,6 @@ static const struct dev_pm_ops sr_pm_ops =3D { static struct scsi_driver sr_template =3D { .gendrv =3D { .name =3D "sr", - .owner =3D THIS_MODULE, .probe =3D sr_probe, .remove =3D sr_remove, .pm =3D &sr_pm_ops, --=20 2.34.1 From nobody Sun Feb 8 18:44:52 2026 Received: from mail-lj1-f169.google.com (mail-lj1-f169.google.com [209.85.208.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B12FE13B2B4 for ; Thu, 28 Mar 2024 20:46:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711658765; cv=none; b=opbdK4RxX1BE9H/EILCuhQhrQdoafB9biG6rxX5xurOiP/bYQrxOrJMp0OnUJcJcX322BcBWqlyoBwnWOubjuuPeYhUiu0bKdVwqjzRtfXPkX3fXpC8tnQTcALU8b6koptZO+l44gfMJBWZQA/08+81uFpNZIhQAZ26aYX2ZrEg= ARC-Message-Signature: i=1; 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Thu, 28 Mar 2024 13:46:00 -0700 (PDT) From: Krzysztof Kozlowski Date: Thu, 28 Mar 2024 21:45:49 +0100 Subject: [PATCH 5/6] scsi: st: drop driver owner initialization 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" Content-Transfer-Encoding: quoted-printable Message-Id: <20240328-b4-module-owner-scsi-v1-5-c86cb4f6e91c@linaro.org> References: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> In-Reply-To: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> To: "James E.J. 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Signed-off-by: Krzysztof Kozlowski --- drivers/scsi/st.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 5a9bcf8e0792..0d8ce1a92168 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -206,7 +206,6 @@ static int st_remove(struct device *); static struct scsi_driver st_template =3D { .gendrv =3D { .name =3D "st", - .owner =3D THIS_MODULE, .probe =3D st_probe, .remove =3D st_remove, .groups =3D st_drv_groups, --=20 2.34.1 From nobody Sun Feb 8 18:44:52 2026 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD76A13A875 for ; Thu, 28 Mar 2024 20:46:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711658768; cv=none; b=Xd9H40Gx/zwSHGw6YpWoc1FgPCMnhOxh6dDMDryvXQhRh/Rsj1QnECTxFKktMCE5cweGQCHs62Oztpl+A8vQlUV3XRNVJcrV4peAzXrHw+wop1aUHdcGcBmhrwprL4Lqaa/w4+fsXXsft0cY1qI2rT5ZNMLA0SxyVDECxoT/KiI= ARC-Message-Signature: i=1; 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Thu, 28 Mar 2024 13:46:01 -0700 (PDT) From: Krzysztof Kozlowski Date: Thu, 28 Mar 2024 21:45:50 +0100 Subject: [PATCH 6/6] ufs: core: drop driver owner initialization 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" Content-Transfer-Encoding: quoted-printable Message-Id: <20240328-b4-module-owner-scsi-v1-6-c86cb4f6e91c@linaro.org> References: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> In-Reply-To: <20240328-b4-module-owner-scsi-v1-0-c86cb4f6e91c@linaro.org> To: "James E.J. Bottomley" , "Martin K. Petersen" , =?utf-8?q?Kai_M=C3=A4kisara?= , Alim Akhtar , Avri Altman , Bart Van Assche Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=746; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=2eL00kHrk9PZ4wV7+liPYn4xAdGVUS6T/yXYmc49iOE=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmBdb/ZVotfrMskOzAZjjergAwKXcjYoMF0jqq1 ULj2NguWsOJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZgXW/wAKCRDBN2bmhouD 11rPD/9+pCrA4JIzLrUksF7HHrkMPhVCeIBN9FBLogbwu73/t5BWfxNnAd+V70VLTtRWkL3ScBe JdBh1ETXgOlBmvU2xyKUxdsxxNVNbdp1sLAYEIiSm2oHxBCU6HDZW7FowFzvxiMgGCoqIoeTS88 /s/9LA93qtwp4ku7GiPLPXMQHG7qJy8cVVxbmKzFxC55H/F7vyBxMwN1x6fkgxYIshq8BnJZVdQ ClwFyo6hPlfdBXRePWhT77VmO2S6htw7bkKYiG4ZvcO53EkC9xG2dC37WCsuKekYC3mKzBTdnPT ZFcAUbhvi55C+VIe2AsgJk9YZi12ftLx0V0SVvI7nAViMP0hmwy2bk3dBKUBMSmQ9NdrYt6u0jZ 2npr45NGpXi1ZBWWo9RLl+RTmeU++pGUoUCi+Rt2G1SxpNAXt4ImFZ3VEe+MWLcaYcGYJsoZVv5 xxE2VH+pcKOSFbaf8sutTLq8q0e1Z7pnLardcBBlYTyvIiKGkVVrwkumqQslItjTDaxM/si2M/c YUblY1PBAHW4V5pwYcPOJC53CIPHXZLxPX238ahmQWGDFjeEOFObETl0UDi2QorSao2stiwEGNJ NZeEIAwLhR/Gn7awmkUmx7rjqN1Sz8aRpZZgy9/Lm3sFVYl8bQYSQy9ibn5FoTrY6LsJIzsA8lV 5lpL9y8BX0fFj3g== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Core in scsi_register_driver() already sets the .owner, so driver does not need to. Signed-off-by: Krzysztof Kozlowski --- Depends on first SCSI patch. --- drivers/ufs/core/ufshcd.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index e30fd125988d..77fb9b2261a7 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10896,7 +10896,6 @@ static void ufshcd_check_header_layout(void) static struct scsi_driver ufs_dev_wlun_template =3D { .gendrv =3D { .name =3D "ufs_device_wlun", - .owner =3D THIS_MODULE, .probe =3D ufshcd_wl_probe, .remove =3D ufshcd_wl_remove, .pm =3D &ufshcd_wl_pm_ops, --=20 2.34.1