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Message-ID: <2023121950-prankster-stomp-a1aa@gregkh> Date: Tue, 19 Dec 2023 16:07:51 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: wintera@...ux.ibm.com, wenjia@...ux.ibm.com Cc: linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, linux-s390@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH] icuv: make iucv_bus const 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 <wintera@...ux.ibm.com> Cc: Wenjia Zhang <wenjia@...ux.ibm.com> Cc: "David S. Miller" <davem@...emloft.net> Cc: Eric Dumazet <edumazet@...gle.com> Cc: Jakub Kicinski <kuba@...nel.org> Cc: Paolo Abeni <pabeni@...hat.com> Cc: linux-s390@...r.kernel.org Cc: netdev@...r.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 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, }; -- 2.43.0
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