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staging: most: configfs: make create attributes write-only 

Reading the create attribute that triggers the creation of a link to
a certain channel is not necessary. Hence, it is being removed.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2019-04-03 15:19:53 +02:00 committed by Greg Kroah-Hartman
parent acdbb89753
commit a15f465caf
1 changed files with 2 additions and 15 deletions
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17
drivers/staging/most/configfs.c
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@ -103,12 +103,6 @@ static struct mdev_link *to_mdev_link(struct config_item *item)
return container_of(item, struct mdev_link, item);
}
static ssize_t mdev_link_create_link_show(struct config_item *item, char *page)
{
return snprintf(page, PAGE_SIZE, "%d\n",
to_mdev_link(item)->create_link);
}
static int set_config_and_add_link(struct mdev_link *mdev_link)
{
int i;
@ -331,7 +325,7 @@ static ssize_t mdev_link_dbr_size_store(struct config_item *item,
return count;
}
CONFIGFS_ATTR(mdev_link_, create_link);
CONFIGFS_ATTR_WO(mdev_link_, create_link);
CONFIGFS_ATTR(mdev_link_, device);
CONFIGFS_ATTR(mdev_link_, channel);
CONFIGFS_ATTR(mdev_link_, comp);
@ -479,13 +473,6 @@ static struct config_item *most_snd_grp_make_item(struct config_group *group,
return &mdev_link->item;
}
static ssize_t most_snd_grp_create_card_show(struct config_item *item,
char *page)
{
return snprintf(page, PAGE_SIZE, "%d\n",
to_most_snd_grp(item)->create_card);
}
static ssize_t most_snd_grp_create_card_store(struct config_item *item,
const char *page, size_t count)
{
@ -505,7 +492,7 @@ static ssize_t most_snd_grp_create_card_store(struct config_item *item,
return count;
}
CONFIGFS_ATTR(most_snd_grp_, create_card);
CONFIGFS_ATTR_WO(most_snd_grp_, create_card);
static struct configfs_attribute *most_snd_grp_attrs[] = {
&most_snd_grp_attr_create_card,