[PATCH] scsi: fnic: Use sysfs_emit in show function callsbacks

From: Deepak R Varma
Date: Sun Dec 25 2022 - 03:54:27 EST


According to Documentation/filesystems/sysfs.rst, the show() callback
function of kobject attributes should strictly use sysfs_emit() instead
of sprintf() family functions. So, make this change.
Issue identified using the coccinelle device_attr_show.cocci script.

Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
---
drivers/scsi/fnic/fnic_attrs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c
index a61e0c5e6506..1798d1e6318f 100644
--- a/drivers/scsi/fnic/fnic_attrs.c
+++ b/drivers/scsi/fnic/fnic_attrs.c
@@ -14,13 +14,13 @@ static ssize_t fnic_show_state(struct device *dev,
struct fc_lport *lp = shost_priv(class_to_shost(dev));
struct fnic *fnic = lport_priv(lp);

- return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]);
+ return sysfs_emit(buf, "%s\n", fnic_state_str[fnic->state]);
}

static ssize_t fnic_show_drv_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION);
+ return sysfs_emit(buf, "%s\n", DRV_VERSION);
}

static ssize_t fnic_show_link_state(struct device *dev,
@@ -28,7 +28,7 @@ static ssize_t fnic_show_link_state(struct device *dev,
{
struct fc_lport *lp = shost_priv(class_to_shost(dev));

- return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up)
+ return sysfs_emit(buf, "%s\n", (lp->link_up)
? "Link Up" : "Link Down");
}

--
2.34.1