diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-19 15:59:32 +0100 |
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committer | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2024-01-08 09:36:55 +0900 |
commit | 10416a3578ba5f76d0b161d2d36a1d8a4c46a69d (patch) | |
tree | 11b0661131afdcba6851822f2be011da2392a97f | |
parent | 0dd3ee31125508cd67f7e7172247f05b7fd1753a (diff) | |
download | lwn-10416a3578ba5f76d0b161d2d36a1d8a4c46a69d.tar.gz lwn-10416a3578ba5f76d0b161d2d36a1d8a4c46a69d.zip |
firewire: make fw_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the fw_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: linux1394-devel@lists.sourceforge.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/2023121931-skydiver-dodgy-d1bd@gregkh
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
-rw-r--r-- | drivers/firewire/core-device.c | 2 | ||||
-rw-r--r-- | include/linux/firewire.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index 2828e9573e90..7ca8e31dadb5 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -219,7 +219,7 @@ static int fw_unit_uevent(const struct device *dev, struct kobj_uevent_env *env) return 0; } -struct bus_type fw_bus_type = { +const struct bus_type fw_bus_type = { .name = "firewire", .match = fw_unit_match, .probe = fw_unit_probe, diff --git a/include/linux/firewire.h b/include/linux/firewire.h index bd3fc75d4f14..dd9f2d765e68 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -75,7 +75,7 @@ void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p); int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value); int fw_csr_string(const u32 *directory, int key, char *buf, size_t size); -extern struct bus_type fw_bus_type; +extern const struct bus_type fw_bus_type; struct fw_card_driver; struct fw_node; |