2021-02-04 03:11:59

by Jiapeng Chong

Subject: [PATCH] scsi: bfa: convert sysfs sprintf/snprintf family to sysfs_emit

Fix the following coccicheck warning:

./drivers/scsi/fnic/fnic_attrs.c: WARNING: use scnprintf or
sprintf.

Reported-by: Abaci Robot<[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
---
drivers/scsi/bfa/bfad_attr.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index 5ae1e3f..ba890b1 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -711,7 +711,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];

bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
- return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
+ return sysfs_emit(buf, "%s\n", serial_num);
}

static ssize_t
@@ -725,7 +725,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
char model[BFA_ADAPTER_MODEL_NAME_LEN];

bfa_get_adapter_model(&bfad->bfa, model);
- return snprintf(buf, PAGE_SIZE, "%s\n", model);
+ return sysfs_emit(buf, "%s\n", model);
}

static ssize_t
@@ -805,7 +805,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Invalid Model");

- return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
+ return sysfs_emit(buf, "%s\n", model_descr);
}

static ssize_t
@@ -819,7 +819,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
u64 nwwn;

nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port);
- return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn));
+ return sysfs_emit(buf, "0x%llx\n", cpu_to_be64(nwwn));
}

static ssize_t
@@ -836,7 +836,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
strlcpy(symname, port_attr.port_cfg.sym_name.symname,
BFA_SYMNAME_MAXLEN);
- return snprintf(buf, PAGE_SIZE, "%s\n", symname);
+ return sysfs_emit(buf, "%s\n", symname);
}

static ssize_t
@@ -850,14 +850,14 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
char hw_ver[BFA_VERSION_LEN];

bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
- return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
+ return sysfs_emit(buf, "%s\n", hw_ver);
}

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

static ssize_t
@@ -871,7 +871,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
char optrom_ver[BFA_VERSION_LEN];

bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
- return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
+ return sysfs_emit(buf, "%s\n", optrom_ver);
}

static ssize_t
@@ -885,7 +885,7 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
char fw_ver[BFA_VERSION_LEN];

bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
- return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
+ return sysfs_emit(buf, "%s\n", fw_ver);
}

static ssize_t
@@ -897,15 +897,14 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;

- return snprintf(buf, PAGE_SIZE, "%d\n",
- bfa_get_nports(&bfad->bfa));
+ return sysfs_emit(buf, "%d\n", bfa_get_nports(&bfad->bfa));
}

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

static ssize_t
@@ -924,14 +923,14 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
rports = kcalloc(nrports, sizeof(struct bfa_rport_qualifier_s),
GFP_ATOMIC);
if (rports == NULL)
- return snprintf(buf, PAGE_SIZE, "Failed\n");
+ return sysfs_emit(buf, "Failed\n");

spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcs_lport_get_rport_quals(port->fcs_port, rports, &nrports);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
kfree(rports);

- return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
+ return sysfs_emit(buf, "%d\n", nrports);
}

static DEVICE_ATTR(serial_number, S_IRUGO,
--
1.8.3.1