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soc: atmel: fix device_node release in atmel_soc_device_init()

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[ Upstream commit d3455ab798100f40af77123e7c2443ec979c546b ]

A device_node acquired via of_find_node_by_path() requires explicit
calls to of_node_put() when it is no longer needed to avoid leaking the
resource.

Instead of adding the missing calls to of_node_put() in all execution
paths, use the cleanup attribute for 'np' by means of the __free()
macro, which automatically calls of_node_put() when the variable goes
out of scope.

Fixes: 960ddf70cc ("drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20241031-soc-atmel-soc-cleanup-v2-1-73f2d235fd98@gmail.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Javier Carrasco
2024-10-31 13:33:36 +01:00
committed by Greg Kroah-Hartman
parent 7f298125b3
commit 5908e04d73
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/atmel/soc.c
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@@ -376,7 +376,7 @@ static const struct of_device_id at91_soc_allowed_list[] __initconst = {
static int __init atmel_soc_device_init(void)
{
struct device_node *np = of_find_node_by_path("/");
struct device_node *np __free(device_node) = of_find_node_by_path("/");
if (!of_match_node(at91_soc_allowed_list, np))
return 0;