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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2023-09-12 19:53:11 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-10-05 13:58:07 +0200
commit10dabdf45ed34caaaad97978306fe6e9ee7581d9 (patch)
tree5a2e37c21f1ec903c49dde73a63001d604d6d0cf /kernel/resource.c
parent441f0dd8fa035a2c7cfe972047bb905d3be05c1b (diff)
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resource: Unify next_resource() and next_resource_skip_children()
We have the next_resource() is used once and no user for the next_resource_skip_children() outside of the for_each_resource(). Unify them by adding skip_children parameter to the next_resource(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230912165312.402422-2-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index 86716cd566e9..866ef3663a0b 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -56,26 +56,17 @@ struct resource_constraint {
static DEFINE_RWLOCK(resource_lock);
-static struct resource *next_resource(struct resource *p)
+static struct resource *next_resource(struct resource *p, bool skip_children)
{
- if (p->child)
+ if (!skip_children && p->child)
return p->child;
while (!p->sibling && p->parent)
p = p->parent;
return p->sibling;
}
-static struct resource *next_resource_skip_children(struct resource *p)
-{
- while (!p->sibling && p->parent)
- p = p->parent;
- return p->sibling;
-}
-
#define for_each_resource(_root, _p, _skip_children) \
- for ((_p) = (_root)->child; (_p); \
- (_p) = (_skip_children) ? next_resource_skip_children(_p) : \
- next_resource(_p))
+ for ((_p) = (_root)->child; (_p); (_p) = next_resource(_p, _skip_children))
#ifdef CONFIG_PROC_FS
@@ -100,8 +91,10 @@ static void *r_start(struct seq_file *m, loff_t *pos)
static void *r_next(struct seq_file *m, void *v, loff_t *pos)
{
struct resource *p = v;
+
(*pos)++;
- return (void *)next_resource(p);
+
+ return (void *)next_resource(p, false);
}
static void r_stop(struct seq_file *m, void *v)