[PATCH 4.2 31/54] mfd: max77843: Fix max77843_chg_init() return on error

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4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

commit 1b52e50f2a402a266f1ba2281f0a57e87637a047 upstream.

If i2c_new_dummy() fails in max77843_chg_init(), an PTR_ERR(NULL) is
returned which is 0. So the function was wrongly returning a success
value instead of an error code.

Fixes: c7f585fe46d8 ("mfd: max77843: Add max77843 MFD driver core driver")
Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/mfd/max77843.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mfd/max77843.c
+++ b/drivers/mfd/max77843.c
@@ -79,7 +79,7 @@ static int max77843_chg_init(struct max7
 	if (!max77843->i2c_chg) {
 		dev_err(&max77843->i2c->dev,
 				"Cannot allocate I2C device for Charger\n");
-		return PTR_ERR(max77843->i2c_chg);
+		return -ENODEV;
 	}
 	i2c_set_clientdata(max77843->i2c_chg, max77843);
 


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