From: Liang He windhl@126.com
stable inclusion from stable-v5.10.137 commit c040a02e4c2172a9f482ea8509a5222bb4ecadf4 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 6435319c34704994e19b0767f6a4e6f37439867b ]
In i2c_mux_probe(), we should call of_node_put() when breaking out of for_each_child_of_node() which will automatically increase and decrease the refcount.
Fixes: ac8498f0ce53 ("i2c: i2c-mux-gpmux: new driver") Signed-off-by: Liang He windhl@126.com Acked-by: Peter Rosin peda@axentia.se Signed-off-by: Wolfram Sang wsa@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Wei Li liwei391@huawei.com --- drivers/i2c/muxes/i2c-mux-gpmux.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c index d3acd8d66c32..33024acaac02 100644 --- a/drivers/i2c/muxes/i2c-mux-gpmux.c +++ b/drivers/i2c/muxes/i2c-mux-gpmux.c @@ -134,6 +134,7 @@ static int i2c_mux_probe(struct platform_device *pdev) return 0;
err_children: + of_node_put(child); i2c_mux_del_adapters(muxc); err_parent: i2c_put_adapter(parent);