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firewire: core: add helper function to detect data of iso resource structure

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It depends on the function assigned to release member to identify
resource structure.

This commit adds a helper function to identify iso_resource structure.

Link: https://lore.kernel.org/r/20240812235210.28458-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto 2024-08-13 08:52:08 +09:00
parent ced2da31b8
commit 58ee62c290
1 changed files with 6 additions and 1 deletions
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7
drivers/firewire/core-cdev.c
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@ -161,6 +161,11 @@ static struct iso_resource *to_iso_resource(struct client_resource *resource)
static void release_iso_resource(struct client *, struct client_resource *);
static int is_iso_resource(const struct client_resource *resource)
{
return resource->release == release_iso_resource;
}
static void schedule_iso_resource(struct iso_resource *r, unsigned long delay)
{
client_get(r->client);
@ -170,7 +175,7 @@ static void schedule_iso_resource(struct iso_resource *r, unsigned long delay)
static void schedule_if_iso_resource(struct client_resource *resource)
{
if (resource->release == release_iso_resource)
if (is_iso_resource(resource))
schedule_iso_resource(to_iso_resource(resource), 0);
}