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ARM: zynq: Fix refcount leak in zynq_early_slcr_init 

[ Upstream commit 9eedb910a3 ]

of_find_compatible_node() returns a node pointer with refcount incremented,
we should use of_node_put() on error path.
Add missing of_node_put() to avoid refcount leak.

Fixes: 3329659df0 ("ARM: zynq: Simplify SLCR initialization")
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Link: https://lore.kernel.org/r/20221129140544.41293-1-linqiheng@huawei.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Qiheng Lin 2022-11-29 22:05:44 +08:00 committed by Greg Kroah-Hartman
parent 45df2f9562
commit e43a06c73b
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-zynq/slcr.c
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@ -213,6 +213,7 @@ int __init zynq_early_slcr_init(void)
zynq_slcr_regmap = syscon_regmap_lookup_by_compatible("xlnx,zynq-slcr"); zynq_slcr_regmap = syscon_regmap_lookup_by_compatible("xlnx,zynq-slcr");
if (IS_ERR(zynq_slcr_regmap)) { if (IS_ERR(zynq_slcr_regmap)) {
pr_err("%s: failed to find zynq-slcr\n", __func__); pr_err("%s: failed to find zynq-slcr\n", __func__);
of_node_put(np);
return -ENODEV; return -ENODEV;
} }