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mips: cdmm: Fix refcount leak in mips_cdmm_phys_base

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[ Upstream commit 4528668ca3 ]

The of_find_compatible_node() function returns a node pointer with
refcount incremented, We should use of_node_put() on it when done
Add the missing of_node_put() to release the refcount.

Fixes: 2121aa3e23 ("mips: cdmm: Add mti,mips-cdmm dtb node support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin
2022-03-09 09:17:10 +00:00
committed by Greg Kroah-Hartman
parent 315772133a
commit ef1728e3cb
1 changed files with 1 additions and 0 deletions
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drivers/bus/mips_cdmm.c
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@@ -351,6 +351,7 @@ phys_addr_t __weak mips_cdmm_phys_base(void)
np = of_find_compatible_node(NULL, NULL, "mti,mips-cdmm");
if (np) {
err = of_address_to_resource(np, 0, &res);
of_node_put(np);
if (!err)
return res.start;
}