mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch

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[ Upstream commit b5899a3e2f ]

of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
of_node_put() checks null pointer.

Fixes: ea35645a3c ("mmc: sdhci-of-esdhc: add support for signal voltage switch")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220523144255.10310-1-linmq006@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Miaoqian Lin 2022-05-23 18:42:54 +04:00 • committed by Greg Kroah-Hartman

parent 517a646109

commit 8b902840f6

1 changed files with 1 additions and 0 deletions

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drivers/mmc/host/sdhci-of-esdhc.c

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