Commit 45ffad15 authored Sep 09, 2020 by Dan Carpenter Committed by Greg Kroah-Hartman Sep 17, 2020

spi: stm32: fix pm_runtime_get_sync() error checking



[ Upstream commit c170a5a3b6944ad8e76547c4a1d9fe81c8f23ac8 ]

The pm_runtime_get_sync() can return either 0 or 1 on success but this
code treats 1 as a failure.

Fixes: db96bf976a4f ("spi: stm32: fixes suspend/resume management")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Alain Volmat <alain.volmat@st.com>
Link: https://lore.kernel.org/r/20200909094304.GA420136@mwanda


Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 9ed3ab0c

drivers/spi/spi-stm32.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2054,7 +2054,7 @@ static int stm32_spi_resume(struct device *dev)
		}

		ret = pm_runtime_get_sync(dev);
		if (ret) {
		if (ret < 0) {
		dev_err(dev, "Unable to power device:%d\n", ret);
		return ret;
		}