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vfio/mdev: Use sysfs_emit() to instead of sprintf()

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Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230129084117.2384-1-liubo03@inspur.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Bo Liu 2023-01-29 03:41:17 -05:00 committed by Alex Williamson
parent de858a05c9
commit 038ef0a476
1 changed files with 1 additions and 1 deletions
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2
drivers/vfio/mdev/mdev_sysfs.c
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@ -96,7 +96,7 @@ static MDEV_TYPE_ATTR_RO(device_api);
static ssize_t name_show(struct mdev_type *mtype,
struct mdev_type_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n",
return sysfs_emit(buf, "%s\n",
mtype->pretty_name ? mtype->pretty_name : mtype->sysfs_name);
}