According to Documentation/filesystems/sysfs.rst, the show() callback
function of kobject attributes should strictly use sysfs_emit instead
of sprintf family functions.
Issue identified using the coccinelle device_attr_show.cocci script.
Signed-off-by: Deepak R Varma <[email protected]>
---
drivers/scsi/myrs.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
index 7eb8c39da366..f08b8731d6dd 100644
--- a/drivers/scsi/myrs.c
+++ b/drivers/scsi/myrs.c
@@ -939,7 +939,7 @@ static ssize_t raid_state_show(struct device *dev,
int ret;
if (!sdev->hostdata)
- return snprintf(buf, 16, "Unknown\n");
+ return sysfs_emit(buf, "Unknown\n");
if (sdev->channel >= cs->ctlr_info->physchan_present) {
struct myrs_ldev_info *ldev_info = sdev->hostdata;
@@ -1058,7 +1058,7 @@ static ssize_t raid_level_show(struct device *dev,
const char *name = NULL;
if (!sdev->hostdata)
- return snprintf(buf, 16, "Unknown\n");
+ return sysfs_emit(buf, "Unknown\n");
if (sdev->channel >= cs->ctlr_info->physchan_present) {
struct myrs_ldev_info *ldev_info;
@@ -1086,7 +1086,7 @@ static ssize_t rebuild_show(struct device *dev,
unsigned char status;
if (sdev->channel < cs->ctlr_info->physchan_present)
- return snprintf(buf, 32, "physical device - not rebuilding\n");
+ return sysfs_emit(buf, "physical device - not rebuilding\n");
ldev_info = sdev->hostdata;
ldev_num = ldev_info->ldev_num;
@@ -1190,7 +1190,7 @@ static ssize_t consistency_check_show(struct device *dev,
unsigned short ldev_num;
if (sdev->channel < cs->ctlr_info->physchan_present)
- return snprintf(buf, 32, "physical device - not checking\n");
+ return sysfs_emit(buf, "physical device - not checking\n");
ldev_info = sdev->hostdata;
if (!ldev_info)
@@ -1303,7 +1303,7 @@ static ssize_t serial_show(struct device *dev,
memcpy(serial, cs->ctlr_info->serial_number, 16);
serial[16] = '\0';
- return snprintf(buf, 16, "%s\n", serial);
+ return sysfs_emit(buf, "%s\n", serial);
}
static DEVICE_ATTR_RO(serial);
@@ -1313,7 +1313,7 @@ static ssize_t ctlr_num_show(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct myrs_hba *cs = shost_priv(shost);
- return snprintf(buf, 20, "%d\n", cs->host->host_no);
+ return sysfs_emit(buf, "%d\n", cs->host->host_no);
}
static DEVICE_ATTR_RO(ctlr_num);
@@ -1388,7 +1388,7 @@ static ssize_t model_show(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct myrs_hba *cs = shost_priv(shost);
- return snprintf(buf, 28, "%s\n", cs->model_name);
+ return sysfs_emit(buf, "%s\n", cs->model_name);
}
static DEVICE_ATTR_RO(model);
@@ -1398,7 +1398,7 @@ static ssize_t ctlr_type_show(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct myrs_hba *cs = shost_priv(shost);
- return snprintf(buf, 4, "%d\n", cs->ctlr_info->ctlr_type);
+ return sysfs_emit(buf, "%d\n", cs->ctlr_info->ctlr_type);
}
static DEVICE_ATTR_RO(ctlr_type);
@@ -1408,7 +1408,7 @@ static ssize_t cache_size_show(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct myrs_hba *cs = shost_priv(shost);
- return snprintf(buf, 8, "%d MB\n", cs->ctlr_info->cache_size_mb);
+ return sysfs_emit(buf, "%d MB\n", cs->ctlr_info->cache_size_mb);
}
static DEVICE_ATTR_RO(cache_size);
@@ -1418,7 +1418,7 @@ static ssize_t firmware_show(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct myrs_hba *cs = shost_priv(shost);
- return snprintf(buf, 16, "%d.%02d-%02d\n",
+ return sysfs_emit(buf, "%d.%02d-%02d\n",
cs->ctlr_info->fw_major_version,
cs->ctlr_info->fw_minor_version,
cs->ctlr_info->fw_turn_number);
@@ -1488,7 +1488,7 @@ static ssize_t disable_enclosure_messages_show(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct myrs_hba *cs = shost_priv(shost);
- return snprintf(buf, 3, "%d\n", cs->disable_enc_msg);
+ return sysfs_emit(buf, "%d\n", cs->disable_enc_msg);
}
static ssize_t disable_enclosure_messages_store(struct device *dev,
--
2.34.1