[PATCH] firewire: convert sysfs sprintf/snprintf family to sysfs_emit

From: Jiapeng Chong
Date: Thu Feb 04 2021 - 01:51:43 EST


Fix the following coccicheck warning:

./drivers/firewire/core-device.c:375:8-16: WARNING: use scnprintf or
sprintf.

Reported-by: Abaci Robot<abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
drivers/firewire/core-device.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 80db43a..795f69e 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -372,8 +372,7 @@ static ssize_t rom_index_show(struct device *dev,
struct fw_device *device = fw_device(dev->parent);
struct fw_unit *unit = fw_unit(dev);

- return snprintf(buf, PAGE_SIZE, "%d\n",
- (int)(unit->directory - device->config_rom));
+ return sysfs_emit(buf, "%d\n", (int)(unit->directory - device->config_rom));
}

static struct device_attribute fw_unit_attributes[] = {
@@ -403,8 +402,7 @@ static ssize_t guid_show(struct device *dev,
int ret;

down_read(&fw_device_rwsem);
- ret = snprintf(buf, PAGE_SIZE, "0x%08x%08x\n",
- device->config_rom[3], device->config_rom[4]);
+ ret = sysfs_emit(buf, "0x%08x%08x\n", device->config_rom[3], device->config_rom[4]);
up_read(&fw_device_rwsem);

return ret;
--
1.8.3.1