From: Daniel Golle <daniel@makrotopia.org>
Date: Thu, 25 Nov 2021 19:45:03 +0000 (+0000)
Subject: mt76: eeprom: tolerate corrected bit-flips
X-Git-Tag: block-5.17-2022-01-21~91^2~134^2~20^2~30
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5b595b66394096258d0ad555a41e52ea387aeb9e;p=linux-2.6-block.git

mt76: eeprom: tolerate corrected bit-flips

mtd_read() returns -EUCLEAN in case of corrected bit-flips.
As data was read, don't error out in this case.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c
index 2d58aa31db93..a499861918fa 100644
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -65,6 +65,8 @@ int mt76_get_of_eeprom(struct mt76_dev *dev, void *eep, int offset, int len)
 	offset = be32_to_cpup(list);
 	ret = mtd_read(mtd, offset, len, &retlen, eep);
 	put_mtd_device(mtd);
+	if (mtd_is_bitflip(ret))
+		ret = 0;
 	if (ret) {
 		dev_err(dev->dev, "reading EEPROM from mtd %s failed: %i\n",
 			part, ret);