[PATCH] bus: mhi: replace snprintf with sysfs_emit

From: Wan Jiabing
Date: Tue Apr 26 2022 - 09:00:40 EST


Fix following coccicheck warning:
./drivers/bus/mhi/host/init.c:89:8-16: WARNING: use scnprintf or sprintf

Use sysfs_emit and sysfs_emit_at instead of snprintf.

Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
---
drivers/bus/mhi/host/init.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index cbb86b21063e..c137d55ccfa0 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -86,7 +86,7 @@ static ssize_t serial_number_show(struct device *dev,
struct mhi_device *mhi_dev = to_mhi_device(dev);
struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;

- return snprintf(buf, PAGE_SIZE, "Serial Number: %u\n",
+ return sysfs_emit(buf, "Serial Number: %u\n",
mhi_cntrl->serial_number);
}
static DEVICE_ATTR_RO(serial_number);
@@ -100,9 +100,8 @@ static ssize_t oem_pk_hash_show(struct device *dev,
int i, cnt = 0;

for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++)
- cnt += snprintf(buf + cnt, PAGE_SIZE - cnt,
- "OEMPKHASH[%d]: 0x%x\n", i,
- mhi_cntrl->oem_pk_hash[i]);
+ cnt += sysfs_emit_at(buf, cnt, "OEMPKHASH[%d]: 0x%x\n",
+ i, mhi_cntrl->oem_pk_hash[i]);

return cnt;
}
--
2.35.3