From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 783573D88F1; Thu, 21 May 2026 13:33:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779370410; cv=none; b=W80YcKp/g6nuVsnWFcAi9+4fmG4w0a1zI7dPzcn3S0qmTMPfcFfssGmp9U0EUm682OAMXD/dZr8BlmFWZwm9PAQM7jE9SbIAAoK9vJPdEhPF7lG0PI5iDc2a5YhL8WcgHMvouaVxCBT+mk3SDv9HzYYO8RcRt664o5xEXpV03n8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779370410; c=relaxed/simple; bh=vLGSuUHmnLi1/YHHelOJK4C4TcXRiKv4YFWn5np0glM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=oU+vyFNwa/iAVuj1yjd+xIJafNuoFh+v4X0DwBTo2t+CxiatqMIUA/A5AnVTDpKHQ4g1x0hUTm+gIjlKEKxpJoBeMIcwheffd7BAQrrrzlUI0BzXCiCSdy//P2SxJBg8n/vZWKYYkq53PE3Rx93OOMNcQTuC3GcxuHBTleCfGB4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OsMbrSfw; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OsMbrSfw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BCD6A1F00ADE; Thu, 21 May 2026 13:33:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779370406; bh=D92GfeXfztwtGh+NKFXW+ejJ7GCi/ckBt7Icqwg1tfs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=OsMbrSfwtX1kazk5IQM74ggG4Dvao03ITo2rB7fjYJyw9ABWXfqI+9aA5qAj2SR/5 bCJNN1CMD9hyb5ppglH/pZwAMSiek0jplgAMqEVVQL5JpcL8KAc0T0+rQaEkPfLgZJ h9CesS2RNlFMe0lhxQwlPJ5aoyzt8jSouyNeQ/ut9fjkrIWPM1iotTIo8B7ZH0pEOt PXBO5iwh3tZMUmZ6TsOUjTCKa3JTEC0MG2ngQVnXCKyNc+yajzL20Z6iBGWjesqILa wl9GSf1Gtg2R6s/MvPcceAUrPZB+a/bbJr58Jk3b4DpNimJFAtwQW4sG1Fmcwkxlwv gBE9pRr5KxqXg== From: Kees Cook To: Luis Chamberlain Cc: Kees Cook , Pengpeng Hou , Petr Pavlu , Richard Weinberger , Anton Ivanov , Johannes Berg , "Rafael J. Wysocki" , Len Brown , Corey Minyard , Gabriel Somlo , "Michael S. Tsirkin" , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Bart Van Assche , Jason Gunthorpe , Leon Romanovsky , Laurent Pinchart , Hans de Goede , Mauro Carvalho Chehab , Bjorn Helgaas , Hannes Reinecke , "James E.J. Bottomley" , "Martin K. Petersen" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Greg Kroah-Hartman , Jiri Slaby , Alan Stern , Jason Wang , Xuan Zhuo , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Jason Baron , Jim Cromie , Tiwei Bie , Benjamin Berg , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , "David E. Box" , "Maciej W. Rozycki" , Srinivas Pandruvada , Peter Zijlstra , Heiko Carstens , Vasily Gorbik , Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Vinod Koul , Frank Li , Daniel Gomez , Sami Tolvanen , Aaron Tomlin , Alexander Potapenko , Marco Elver , Dmitry Vyukov , Andrew Morton , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , Andy Shevchenko , Georgia Garcia , kvm@vger.kernel.org, dmaengine@vger.kernel.org, linux-modules@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, linux-um@lists.infradead.org, linux-acpi@vger.kernel.org, openipmi-developer@lists.sourceforge.net, qemu-devel@nongnu.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, linux-pci@vger.kernel.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH 05/11] moduleparam: Rename .get field to .get_str Date: Thu, 21 May 2026 06:33:18 -0700 Message-Id: <20260521133326.2465264-5-kees@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260521133315.work.845-kees@kernel.org> References: <20260521133315.work.845-kees@kernel.org> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3072; i=kees@kernel.org; h=from:subject; bh=vLGSuUHmnLi1/YHHelOJK4C4TcXRiKv4YFWn5np0glM=; b=owGbwMvMwCVmps19z/KJym7G02pJDFn8nAsD4o0V/uTmcB53njx1B6e/bj7HRgn2VXOEOnsWp wZ2X7zWUcrCIMbFICumyBJk5x7n4vG2Pdx9riLMHFYmkCEMXJwCMBEONkaGy7PKr73Ur1Czz5B6 etdJJuEbm4bhmk/7zrsdOuT8PYl9KSPDwTtq/fyyAtr+f2YaPvkpdWtWnGfLNNfmFeI5M+tXlVf wAAA= X-Developer-Key: i=kees@kernel.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit Now that every kernel_param_ops initializer in the tree goes through DEFINE_KERNEL_PARAM_OPS, no source file outside kernel/params.c and include/linux/moduleparam.h references the .get field by name. Take advantage of that to rename the field to .get_str. The bare .get name is now free for the next commit, which adds it back as a struct seq_buf *-based callback. Signed-off-by: Kees Cook --- include/linux/moduleparam.h | 8 ++++---- kernel/params.c | 6 +++--- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 26bf45b36d02..f5f4148e2504 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -63,7 +63,7 @@ struct kernel_param_ops { /* Returns 0, or -errno. arg is in kp->arg. */ int (*set)(const char *val, const struct kernel_param *kp); /* Returns length written or -errno. Buffer is 4k (ie. be short!) */ - int (*get)(char *buffer, const struct kernel_param *kp); + int (*get_str)(char *buffer, const struct kernel_param *kp); /* Optional function to free kp->arg when module unloaded. */ void (*free)(void *arg); }; @@ -82,7 +82,7 @@ struct kernel_param_ops { #define DEFINE_KERNEL_PARAM_OPS(_name, _set, _get) \ const struct kernel_param_ops _name = { \ .set = (_set), \ - .get = (_get), \ + .get_str = (_get), \ } /* As DEFINE_KERNEL_PARAM_OPS, with KERNEL_PARAM_OPS_FL_NOARG set. */ @@ -90,14 +90,14 @@ struct kernel_param_ops { const struct kernel_param_ops _name = { \ .flags = KERNEL_PARAM_OPS_FL_NOARG, \ .set = (_set), \ - .get = (_get), \ + .get_str = (_get), \ } /* As DEFINE_KERNEL_PARAM_OPS, with an additional .free callback. */ #define DEFINE_KERNEL_PARAM_OPS_FREE(_name, _set, _get, _free) \ const struct kernel_param_ops _name = { \ .set = (_set), \ - .get = (_get), \ + .get_str = (_get), \ .free = (_free), \ } diff --git a/kernel/params.c b/kernel/params.c index e19fff2926bc..6852caea1785 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -467,7 +467,7 @@ static int param_array_get(char *buffer, const struct kernel_param *kp) for (i = off = 0; i < (arr->num ? *arr->num : arr->max); i++) { p.arg = arr->elem + arr->elemsize * i; check_kparam_locked(p.mod); - ret = arr->ops->get(elem_buf, &p); + ret = arr->ops->get_str(elem_buf, &p); if (ret < 0) goto out; ret = min(ret, (int)(PAGE_SIZE - 1 - off)); @@ -554,11 +554,11 @@ static ssize_t param_attr_show(const struct module_attribute *mattr, int count; const struct param_attribute *attribute = to_param_attr(mattr); - if (!attribute->param->ops->get) + if (!attribute->param->ops->get_str) return -EPERM; kernel_param_lock(mk->mod); - count = attribute->param->ops->get(buf, attribute->param); + count = attribute->param->ops->get_str(buf, attribute->param); kernel_param_unlock(mk->mod); return count; } -- 2.34.1