[PATCH v2] scsi: csiostor: convert sysfs snprintf to sysfs_emit

[Xuezhi Zhang <zhangxuezhi3@gmail.com>]

From: Xuezhi Zhang <zhangxuezhi1@coolpad.com>

Fix up all sysfs show entries to use sysfs_emit

Signed-off-by: Xuezhi Zhang <zhangxuezhi1@coolpad.com>
---
v2: delete 'else' and extra space.
---
 arch/arm64/configs/defconfig      |  2 ++
 drivers/scsi/csiostor/csio_scsi.c | 10 +++++-----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 91e58cf59c99..6a0af8a5a8b2 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1328,3 +1328,5 @@ CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_FTRACE is not set
 CONFIG_MEMTEST=y
+CONFIG_SCSI_CHELSIO_FCOE=y
+CONFIG_MEGARAID_MAILBOX=y
diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c
index 9aafe0002ab1..05e1a63e00c3 100644
--- a/drivers/scsi/csiostor/csio_scsi.c
+++ b/drivers/scsi/csiostor/csio_scsi.c
@@ -1366,9 +1366,9 @@ csio_show_hw_state(struct device *dev,
 	struct csio_hw *hw = csio_lnode_to_hw(ln);
 
 	if (csio_is_hw_ready(hw))
-		return snprintf(buf, PAGE_SIZE, "ready\n");
-	else
-		return snprintf(buf, PAGE_SIZE, "not ready\n");
+		return sysfs_emit(buf, "ready\n");
+
+	return sysfs_emit(buf, "not ready\n");
 }
 
 /* Device reset */
@@ -1430,7 +1430,7 @@ csio_show_dbg_level(struct device *dev,
 {
 	struct csio_lnode *ln = shost_priv(class_to_shost(dev));
 
-	return snprintf(buf, PAGE_SIZE, "%x\n", ln->params.log_level);
+	return sysfs_emit(buf, "%x\n", ln->params.log_level);
 }
 
 /* Store debug level */
@@ -1476,7 +1476,7 @@ csio_show_num_reg_rnodes(struct device *dev,
 {
 	struct csio_lnode *ln = shost_priv(class_to_shost(dev));
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", ln->num_reg_rnodes);
+	return sysfs_emit(buf, "%d\n", ln->num_reg_rnodes);
 }
 
 static DEVICE_ATTR(num_reg_rnodes, S_IRUGO, csio_show_num_reg_rnodes, NULL);
-- 
2.25.1