From f7a28df7db84eb3410e9eca37832efa5aed93338 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 16 Aug 2021 21:39:54 +0300
Subject: [PATCH] iio: dac: ti-dac5571: fix an error code in probe()
Git-commit: f7a28df7db84eb3410e9eca37832efa5aed93338
Patch-mainline: v5.15-rc6
References: git-fixes stable-5.14.14
If we have an unexpected number of channels then return -EINVAL instead
of returning success.
Fixes: df38a4a72a3b ("iio: dac: add TI DAC5571 family support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210816183954.GB2068@kili
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/iio/dac/ti-dac5571.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iio/dac/ti-dac5571.c b/drivers/iio/dac/ti-dac5571.c
index 2a5ba1b08a1d..546a4cf6c5ef 100644
--- a/drivers/iio/dac/ti-dac5571.c
+++ b/drivers/iio/dac/ti-dac5571.c
@@ -350,6 +350,7 @@ static int dac5571_probe(struct i2c_client *client,
data->dac5571_pwrdwn = dac5571_pwrdwn_quad;
break;
default:
+ ret = -EINVAL;
goto err;
}
--
2.26.2