[PATCH openEuler-1.0-LTS] mips: cpc: Fix refcount leak in mips_cpc_default_phys_base

From: Gong Yuanjun <ruc_gongyuanjun@163.com> stable inclusion from stable-v4.19.247 commit 961ee8a6eeef4632a215d995d837b204f8c7c2d4 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBP2G2 CVE: CVE-2022-49324 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ---------------------- [ Upstream commit 4107fa700f314592850e2c64608f6ede4c077476 ] Add the missing of_node_put() to release the refcount incremented by of_find_compatible_node(). Signed-off-by: Gong Yuanjun <ruc_gongyuanjun@163.com> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Liu Chuang <liuchuang40@huawei.com> --- arch/mips/kernel/mips-cpc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c index fcf9af492d60..cf46502c605e 100644 --- a/arch/mips/kernel/mips-cpc.c +++ b/arch/mips/kernel/mips-cpc.c @@ -31,6 +31,7 @@ phys_addr_t __weak mips_cpc_default_phys_base(void) cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc"); if (cpc_node) { err = of_address_to_resource(cpc_node, 0, &res); + of_node_put(cpc_node); if (!err) return res.start; } -- 2.34.1

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