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Message-Id: <20240116045151.3940401-10-lizhijian@fujitsu.com>
Date: Tue, 16 Jan 2024 12:51:21 +0800
From: Li Zhijian <lizhijian@...itsu.com>
To: linux-kernel@...r.kernel.org
Cc: Li Zhijian <lizhijian@...itsu.com>,
Sathya Prakash <sathya.prakash@...adcom.com>,
Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
Suganath Prabu Subramani <suganath-prabu.subramani@...adcom.com>,
MPT-FusionLinux.pdl@...adcom.com,
linux-scsi@...r.kernel.org
Subject: [PATCH 12/42] drivers/message/fusion: Convert snprintf to sysfs_emit
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
> ./drivers/message/fusion/mptscsih.c:3100:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3116:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3132:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3145:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3159:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3173:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3186:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3198:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3211:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3224:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3237:8-16: WARNING: please use sysfs_emit
> ./drivers/message/fusion/mptscsih.c:3250:8-16: WARNING: please use sysfs_emit
No functional change intended
CC: Sathya Prakash <sathya.prakash@...adcom.com>
CC: Sreekanth Reddy <sreekanth.reddy@...adcom.com>
CC: Suganath Prabu Subramani <suganath-prabu.subramani@...adcom.com>
CC: MPT-FusionLinux.pdl@...adcom.com
CC: linux-scsi@...r.kernel.org
Signed-off-by: Li Zhijian <lizhijian@...itsu.com>
---
drivers/message/fusion/mptscsih.c | 25 ++++++++++++-------------
1 file changed, 12 insertions(+), 13 deletions(-)
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 9080a73b4ea6..24063b201699 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -3097,7 +3097,7 @@ mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
+ return sysfs_emit(buf, "%02d.%02d.%02d.%02d\n",
(ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
(ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
(ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
@@ -3113,7 +3113,7 @@ mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
(ioc->biosVersion & 0xFF000000) >> 24,
(ioc->biosVersion & 0x00FF0000) >> 16,
(ioc->biosVersion & 0x0000FF00) >> 8,
@@ -3129,7 +3129,7 @@ mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
+ return sysfs_emit(buf, "%03x\n", ioc->facts.MsgVersion);
}
static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
@@ -3142,7 +3142,7 @@ char *buf)
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
+ return sysfs_emit(buf, "%s\n", ioc->prod_name);
}
static DEVICE_ATTR(version_product, S_IRUGO,
mptscsih_version_product_show, NULL);
@@ -3156,8 +3156,7 @@ mptscsih_version_nvdata_persistent_show(struct device *dev,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%02xh\n",
- ioc->nvdata_version_persistent);
+ return sysfs_emit(buf, "%02xh\n", ioc->nvdata_version_persistent);
}
static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
mptscsih_version_nvdata_persistent_show, NULL);
@@ -3170,7 +3169,7 @@ mptscsih_version_nvdata_default_show(struct device *dev,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
+ return sysfs_emit(buf, "%02xh\n",ioc->nvdata_version_default);
}
static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
mptscsih_version_nvdata_default_show, NULL);
@@ -3183,7 +3182,7 @@ mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
+ return sysfs_emit(buf, "%s\n", ioc->board_name);
}
static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
@@ -3195,7 +3194,7 @@ mptscsih_board_assembly_show(struct device *dev,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
+ return sysfs_emit(buf, "%s\n", ioc->board_assembly);
}
static DEVICE_ATTR(board_assembly, S_IRUGO,
mptscsih_board_assembly_show, NULL);
@@ -3208,7 +3207,7 @@ mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
+ return sysfs_emit(buf, "%s\n", ioc->board_tracer);
}
static DEVICE_ATTR(board_tracer, S_IRUGO,
mptscsih_board_tracer_show, NULL);
@@ -3221,7 +3220,7 @@ mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
+ return sysfs_emit(buf, "%02d\n", ioc->io_missing_delay);
}
static DEVICE_ATTR(io_delay, S_IRUGO,
mptscsih_io_delay_show, NULL);
@@ -3234,7 +3233,7 @@ mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
+ return sysfs_emit(buf, "%02d\n", ioc->device_missing_delay);
}
static DEVICE_ATTR(device_delay, S_IRUGO,
mptscsih_device_delay_show, NULL);
@@ -3247,7 +3246,7 @@ mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
MPT_SCSI_HOST *hd = shost_priv(host);
MPT_ADAPTER *ioc = hd->ioc;
- return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
+ return sysfs_emit(buf, "%08xh\n", ioc->debug_level);
}
static ssize_t
mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
--
2.29.2
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