5.15-stable review patch. If anyone has any objections, please let me know.
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From: Joe Hattori joe@pf.is.s.u-tokyo.ac.jp
[ Upstream commit aac2f8363f773ae1f65aab140e06e2084ac6b787 ]
When initializing a soundwire slave device, an OF node is stored to the device with refcount incremented. However, the refcount is not decremented in .release(), thus call of_node_put() in sdw_slave_release().
Fixes: a2e484585ad3 ("soundwire: core: add device tree support for slave devices") Signed-off-by: Joe Hattori joe@pf.is.s.u-tokyo.ac.jp Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Link: https://lore.kernel.org/r/20241205034844.2784964-1-joe@pf.is.s.u-tokyo.ac.jp Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/soundwire/slave.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c index 25e76b5d4a1a3..a5a9118612de2 100644 --- a/drivers/soundwire/slave.c +++ b/drivers/soundwire/slave.c @@ -12,6 +12,7 @@ static void sdw_slave_release(struct device *dev) { struct sdw_slave *slave = dev_to_sdw_dev(dev);
+ of_node_put(slave->dev.of_node); mutex_destroy(&slave->sdw_dev_lock); kfree(slave); }