From: Thomas Weißschuh Date: Thu, 2 Jan 2025 12:01:34 +0000 (+0100) Subject: kyber: constify sysfs attributes X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=00aab2f236f25f3dc3c88eee1b8ccb0cbcae3f99;p=linux.git kyber: constify sysfs attributes The elevator core now allows instances of 'struct elv_fs_entry' to be moved into read-only memory. Make use of that to protect them against accidental or malicious modifications. Signed-off-by: Thomas Weißschuh Link: https://lore.kernel.org/r/20250102-sysfs-const-attr-elevator-v1-4-9837d2058c60@weissschuh.net Signed-off-by: Jens Axboe --- diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index 4155594aefc6..dc31f2dfa414 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -889,7 +889,7 @@ KYBER_LAT_SHOW_STORE(KYBER_WRITE, write); #undef KYBER_LAT_SHOW_STORE #define KYBER_LAT_ATTR(op) __ATTR(op##_lat_nsec, 0644, kyber_##op##_lat_show, kyber_##op##_lat_store) -static struct elv_fs_entry kyber_sched_attrs[] = { +static const struct elv_fs_entry kyber_sched_attrs[] = { KYBER_LAT_ATTR(read), KYBER_LAT_ATTR(write), __ATTR_NULL