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SubjectRe: [PATCH] vfio/mdev: Use sysfs_emit() to instead of sprintf()
On Sun, 29 Jan 2023 03:41:17 -0500
Bo Liu <liubo03@inspur.com> wrote:

> 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>
> ---
> drivers/vfio/mdev/mdev_sysfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
> index abe3359dd477..e4490639d383 100644
> --- a/drivers/vfio/mdev/mdev_sysfs.c
> +++ b/drivers/vfio/mdev/mdev_sysfs.c
> @@ -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);
> }
>

Applied to vfio next branch for v6.3. Thanks,

Alex

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