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livepatch: Replace snprintf() with sysfs_emit()

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Let's use sysfs_emit() instead of snprintf().

Suggested-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lore.kernel.org/r/20240625151123.2750-4-laoar.shao@gmail.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Yafang Shao 2024-06-25 23:11:23 +08:00 committed by Petr Mladek
parent 40f9caa7b1
commit 9205269280
1 changed files with 2 additions and 3 deletions
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5
kernel/livepatch/core.c
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@ -402,7 +402,7 @@ static ssize_t enabled_show(struct kobject *kobj,
struct klp_patch *patch; struct klp_patch *patch;
patch = container_of(kobj, struct klp_patch, kobj); patch = container_of(kobj, struct klp_patch, kobj);
return snprintf(buf, PAGE_SIZE-1, "%d\n", patch->enabled); return sysfs_emit(buf, "%d\n", patch->enabled);
} }
static ssize_t transition_show(struct kobject *kobj, static ssize_t transition_show(struct kobject *kobj,
@ -411,8 +411,7 @@ static ssize_t transition_show(struct kobject *kobj,
struct klp_patch *patch; struct klp_patch *patch;
patch = container_of(kobj, struct klp_patch, kobj); patch = container_of(kobj, struct klp_patch, kobj);
return snprintf(buf, PAGE_SIZE-1, "%d\n", return sysfs_emit(buf, "%d\n", patch == klp_transition_patch);
patch == klp_transition_patch);
} }
static ssize_t force_store(struct kobject *kobj, struct kobj_attribute *attr, static ssize_t force_store(struct kobject *kobj, struct kobj_attribute *attr,