Messages in this thread Patch in this message |  | | From | Greg Kroah-Hartman <> | | Subject | [PATCH v2] iucv: make iucv_bus const | | Date | Wed, 20 Dec 2023 08:41:18 +0100 |
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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: Wenjia Zhang <wenjia@linux.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: linux-s390@vger.kernel.org Cc: netdev@vger.kernel.org Acked-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- v2: add Alexandra ack fix typo in subject line as pointed out by Niklas
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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