This is a note to let you know that I've just added the patch titled
mfd: stmfx: Fix error path in stmfx_chip_init
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mfd-stmfx-fix-error-path-in-stmfx_chip_init.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cd60fdba993d9121829a5c238c770ac00059be33
Author: Amelie Delaunay <amelie.delaunay@xxxxxxxxxxx>
Date: Fri Jun 9 11:28:03 2023 +0200
mfd: stmfx: Fix error path in stmfx_chip_init
[ Upstream commit f592cf624531286f8b52e40dcfc157a5a7fb115c ]
In error path, disable vdd regulator if it exists, but don't overload ret.
Because if regulator_disable() is successful, stmfx_chip_init will exit
successfully while chip init failed.
Fixes: 06252ade9156 ("mfd: Add ST Multi-Function eXpander (STMFX) core driver")
Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230609092804.793100-1-amelie.delaunay@xxxxxxxxxxx
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c
index 711979afd90a0..887c92342b7f1 100644
--- a/drivers/mfd/stmfx.c
+++ b/drivers/mfd/stmfx.c
@@ -389,7 +389,7 @@ static int stmfx_chip_init(struct i2c_client *client)
err:
if (stmfx->vdd)
- return regulator_disable(stmfx->vdd);
+ regulator_disable(stmfx->vdd);
return ret;
}
