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devres: add devres_node_init()

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Both alloc_dr() and devres_open_group() initialize devres_node.entry and
set devres_node.release. Add a helper, devres_node_init(), for this
pattern.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20260202235210.55176-4-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Danilo Krummrich
2026-02-03 00:48:16 +01:00
parent 4796dfd7e0
commit 6fe9d3b942
1 changed files with 9 additions and 6 deletions
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15
drivers/base/devres.c
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@@ -42,6 +42,12 @@ struct devres_group {
/* -- 8 pointers */
};
static void devres_node_init(struct devres_node *node, dr_release_t release)
{
INIT_LIST_HEAD(&node->entry);
node->release = release;
}
static void set_node_dbginfo(struct devres_node *node, const char *name,
size_t size)
{
@@ -124,8 +130,7 @@ static __always_inline struct devres *alloc_dr(dr_release_t release,
if (!(gfp & __GFP_ZERO))
memset(dr, 0, offsetof(struct devres, data));
INIT_LIST_HEAD(&dr->node.entry);
dr->node.release = release;
devres_node_init(&dr->node, release);
return dr;
}
@@ -561,10 +566,8 @@ void *devres_open_group(struct device *dev, void *id, gfp_t gfp)
if (unlikely(!grp))
return NULL;
grp->node[0].release = &group_open_release;
grp->node[1].release = &group_close_release;
INIT_LIST_HEAD(&grp->node[0].entry);
INIT_LIST_HEAD(&grp->node[1].entry);
devres_node_init(&grp->node[0], &group_open_release);
devres_node_init(&grp->node[1], &group_close_release);
set_node_dbginfo(&grp->node[0], "grp<", 0);
set_node_dbginfo(&grp->node[1], "grp>", 0);
grp->id = grp;