[PATCH] mtd: rawnand: fix an error code in nand_setup_interface()

[Dan Carpenter]

We should return an error code if the timing mode is not acknowledged
by the NAND chip.

Fixes: 415ae78ffb5d ("mtd: rawnand: check ONFI timings have been acked by the chip")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
---
>From static analysis.  Not tested.

 drivers/mtd/nand/raw/nand_base.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index fb072c444495..d83c0503f96f 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -880,6 +880,7 @@ static int nand_setup_interface(struct nand_chip *chip, int chipnr)
 	if (tmode_param[0] != chip->best_interface_config->timings.mode) {
 		pr_warn("timing mode %d not acknowledged by the NAND chip\n",
 			chip->best_interface_config->timings.mode);
+		ret = -EINVAL;
 		goto err_reset_chip;
 	}
 
-- 
2.30.2