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cache: starfive: fix device node leak in starlink_cache_init()

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of_find_matching_node() returns a device_node with refcount incremented.

Use __free(device_node) attribute to automatically call of_node_put()
when the variable goes out of scope, preventing the refcount leak.

Fixes: cabff60ca7 ("cache: Add StarFive StarLink cache management")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Felix Gu 2026-01-31 01:13:45 +08:00 committed by Conor Dooley
parent ff4b6bf7ee
commit 3c85234b97
1 changed files with 2 additions and 2 deletions
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4
drivers/cache/starfive_starlink_cache.c vendored
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@ -102,11 +102,11 @@ static const struct of_device_id starlink_cache_ids[] = {
static int __init starlink_cache_init(void)
{
struct device_node *np;
u32 block_size;
int ret;
np = of_find_matching_node(NULL, starlink_cache_ids);
struct device_node *np __free(device_node) =
of_find_matching_node(NULL, starlink_cache_ids);
if (!of_device_is_available(np))
return -ENODEV;