From patchwork Tue Dec 19 15:07:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 13498434 X-Patchwork-Delegate: kuba@kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 09C681CA81; Tue, 19 Dec 2023 15:07:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="mWqQFs03" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03D26C433CB; Tue, 19 Dec 2023 15:07:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1702998476; bh=76IMDa35Ejr4DS8JJBlGFBxWrx3Os8GLF+gs9kZW9II=; h=From:To:Cc:Subject:Date:From; b=mWqQFs03BZuMAl/JfgCocD6vFVETom5/non6pqxKgM1JS/XadCHFlz5/Qb8WHNc5j L8QuaMjlk9oz5so+qnZNtaMITMWoBwpAPNzfHMMdAGYrneIp3gptGhqJXPbOx+jb93 lIkdL8V6cqaRYqe1pSVGivwPoFpFrqlvYj6VgCP8= From: Greg Kroah-Hartman To: wintera@linux.ibm.com, wenjia@linux.ibm.com Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-s390@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH] icuv: make iucv_bus const Date: Tue, 19 Dec 2023 16:07:51 +0100 Message-ID: <2023121950-prankster-stomp-a1aa@gregkh> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1792; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=76IMDa35Ejr4DS8JJBlGFBxWrx3Os8GLF+gs9kZW9II=; b=owGbwMvMwCRo6H6F97bub03G02pJDKmNG4/HvBFNfNNYMSvisnXSm9asi+9m/cg+P+OQ56Jjh gpTtood74hlYRBkYpAVU2T5so3n6P6KQ4pehranYeawMoEMYeDiFICJfPzBsGDRhXQ1p/bOowui i6ec9JsaYt0tU80wT2lq6J8rhWaHXmptFXrN8IqDt2jFIgA= X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 X-Patchwork-Delegate: kuba@kernel.org Now that the driver core can properly handle constant struct bus_type, move the iucv_bus variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Alexandra Winter Cc: Wenjia Zhang Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: linux-s390@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Acked-by: Alexandra Winter --- include/net/iucv/iucv.h | 4 ++-- net/iucv/iucv.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/net/iucv/iucv.h b/include/net/iucv/iucv.h index f9e88401d7da..8b2055d64a6b 100644 --- a/include/net/iucv/iucv.h +++ b/include/net/iucv/iucv.h @@ -80,7 +80,7 @@ struct iucv_array { u32 length; } __attribute__ ((aligned (8))); -extern struct bus_type iucv_bus; +extern const struct bus_type iucv_bus; extern struct device *iucv_root; /* @@ -489,7 +489,7 @@ struct iucv_interface { int (*path_sever)(struct iucv_path *path, u8 userdata[16]); int (*iucv_register)(struct iucv_handler *handler, int smp); void (*iucv_unregister)(struct iucv_handler *handler, int smp); - struct bus_type *bus; + const struct bus_type *bus; struct device *root; }; diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 0ed6e34d6edd..6334f64f04d5 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -67,7 +67,7 @@ static int iucv_bus_match(struct device *dev, struct device_driver *drv) return 0; } -struct bus_type iucv_bus = { +const struct bus_type iucv_bus = { .name = "iucv", .match = iucv_bus_match, };