livepatch: Replace snprintf() with sysfs_emit()

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>

diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index ad28617bfd75efed29dd45e33efa2680cc20bd38..3c21c31796db0111d558e8fccdc00693eab0d3df 100644 (file)
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -402,7 +402,7 @@ static ssize_t enabled_show(struct kobject *kobj,
        struct klp_patch *patch;
 
        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,
@@ -411,8 +411,7 @@ static ssize_t transition_show(struct kobject *kobj,
        struct klp_patch *patch;
 
        patch = container_of(kobj, struct klp_patch, kobj);
-       return snprintf(buf, PAGE_SIZE-1, "%d\n",
-                       patch == klp_transition_patch);
+       return sysfs_emit(buf, "%d\n", patch == klp_transition_patch);
 }
 
 static ssize_t force_store(struct kobject *kobj, struct kobj_attribute *attr,