From 90d012fbbf14af6d05795f3b44b571b2a4afe583 Mon Sep 17 00:00:00 2001 From: Li Zhijian Date: Thu, 14 Mar 2024 16:45:59 +0800 Subject: hwrng: core - Convert sprintf/snprintf to sysfs_emit Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). sprintf() will be converted as weel if they have. Generally, this patch is generated by make coccicheck M= MODE=patch \ COCCI=scripts/coccinelle/api/device_attr_show.cocci No functional change intended CC: Olivia Mackall CC: Herbert Xu CC: linux-crypto@vger.kernel.org Signed-off-by: Li Zhijian Signed-off-by: Herbert Xu --- drivers/char/hw_random/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/char') diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index a3bbdd6e60fc..f5c71a617a99 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -382,7 +382,7 @@ static ssize_t rng_current_show(struct device *dev, if (IS_ERR(rng)) return PTR_ERR(rng); - ret = snprintf(buf, PAGE_SIZE, "%s\n", rng ? rng->name : "none"); + ret = sysfs_emit(buf, "%s\n", rng ? rng->name : "none"); put_rng(rng); return ret; -- cgit v1.2.3