From: Adrian Barnaś Date: Fri, 19 Sep 2025 07:32:01 +0000 (+0000) Subject: drivers: rapidio: make rio_bus_type const X-Git-Tag: v6.19-rc1~65^2~79 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ce6b508f24b4ef3a78c2c0d92e67b9e324c4f7a;p=thirdparty%2Fkernel%2Flinux.git drivers: rapidio: make rio_bus_type const Because driver core can properly handle constant struct bus_type, move the rio_bus_type to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Signed-off-by: Adrian Barnaś Reviewed-by: Greg Kroah-Hartman Link: https://patch.msgid.link/20250919073201.751348-1-abarnas@google.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-driver.c index 238250e690059..bcfe0b45b377e 100644 --- a/drivers/rapidio/rio-driver.c +++ b/drivers/rapidio/rio-driver.c @@ -227,7 +227,7 @@ struct class rio_mport_class = { }; EXPORT_SYMBOL_GPL(rio_mport_class); -struct bus_type rio_bus_type = { +const struct bus_type rio_bus_type = { .name = "rapidio", .match = rio_match_bus, .dev_groups = rio_dev_groups, diff --git a/include/linux/rio.h b/include/linux/rio.h index 3c29f40f3c94b..2c29f21ba9e5e 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -78,7 +78,7 @@ #define RIO_CTAG_RESRVD 0xfffe0000 /* Reserved */ #define RIO_CTAG_UDEVID 0x0001ffff /* Unique device identifier */ -extern struct bus_type rio_bus_type; +extern const struct bus_type rio_bus_type; extern struct class rio_mport_class; struct rio_mport;