RDMA: Convert sysfs device * show functions to use sysfs_emit()

Done with cocci script:

@@
identifier d_show;
identifier dev, attr, buf;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	return
-	sprintf(buf,
+	sysfs_emit(buf,
	...);
	...>
}

@@
identifier d_show;
identifier dev, attr, buf;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	return
-	snprintf(buf, PAGE_SIZE,
+	sysfs_emit(buf,
	...);
	...>
}

@@
identifier d_show;
identifier dev, attr, buf;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	return
-	scnprintf(buf, PAGE_SIZE,
+	sysfs_emit(buf,
	...);
	...>
}

@@
identifier d_show;
identifier dev, attr, buf;
expression chr;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	return
-	strcpy(buf, chr);
+	sysfs_emit(buf, chr);
	...>
}

@@
identifier d_show;
identifier dev, attr, buf;
identifier len;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	len =
-	sprintf(buf,
+	sysfs_emit(buf,
	...);
	...>
	return len;
}

@@
identifier d_show;
identifier dev, attr, buf;
identifier len;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	len =
-	snprintf(buf, PAGE_SIZE,
+	sysfs_emit(buf,
	...);
	...>
	return len;
}

@@
identifier d_show;
identifier dev, attr, buf;
identifier len;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
	len =
-	scnprintf(buf, PAGE_SIZE,
+	sysfs_emit(buf,
	...);
	...>
	return len;
}

@@
identifier d_show;
identifier dev, attr, buf;
identifier len;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	<...
-	len += scnprintf(buf + len, PAGE_SIZE - len,
+	len += sysfs_emit_at(buf, len,
	...);
	...>
	return len;
}

@@
identifier d_show;
identifier dev, attr, buf;
expression chr;
@@

ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	...
-	strcpy(buf, chr);
-	return strlen(buf);
+	return sysfs_emit(buf, chr);
}

Link: https://lore.kernel.org/r/7f406fa8e3aa2552c022bec680f621e38d1fe414.1602122879.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index e07ad30f0aca..92a419425a10 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2628,7 +2628,7 @@ static ssize_t fw_pages_show(struct device *device,
 	struct mlx5_ib_dev *dev =
 		rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
 
-	return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages);
+	return sysfs_emit(buf, "%d\n", dev->mdev->priv.fw_pages);
 }
 static DEVICE_ATTR_RO(fw_pages);
 
@@ -2638,7 +2638,7 @@ static ssize_t reg_pages_show(struct device *device,
 	struct mlx5_ib_dev *dev =
 		rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
 
-	return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages));
+	return sysfs_emit(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages));
 }
 static DEVICE_ATTR_RO(reg_pages);
 
@@ -2648,7 +2648,7 @@ static ssize_t hca_type_show(struct device *device,
 	struct mlx5_ib_dev *dev =
 		rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
 
-	return sprintf(buf, "MT%d\n", dev->mdev->pdev->device);
+	return sysfs_emit(buf, "MT%d\n", dev->mdev->pdev->device);
 }
 static DEVICE_ATTR_RO(hca_type);
 
@@ -2658,7 +2658,7 @@ static ssize_t hw_rev_show(struct device *device,
 	struct mlx5_ib_dev *dev =
 		rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
 
-	return sprintf(buf, "%x\n", dev->mdev->rev_id);
+	return sysfs_emit(buf, "%x\n", dev->mdev->rev_id);
 }
 static DEVICE_ATTR_RO(hw_rev);
 
@@ -2668,8 +2668,8 @@ static ssize_t board_id_show(struct device *device,
 	struct mlx5_ib_dev *dev =
 		rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
 
-	return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN,
-		       dev->mdev->board_id);
+	return sysfs_emit(buf, "%.*s\n", MLX5_BOARD_ID_LEN,
+			  dev->mdev->board_id);
 }
 static DEVICE_ATTR_RO(board_id);