6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: david regan <dregan@xxxxxxxxxxxx>
[ Upstream commit 03271ea36ea7a58d30a4bde182eb2a0d46220467 ]
This change fixes an issue where an error return value may be mistakenly
used as NAND status.
Fixes: f504551b7f15 ("mtd: rawnand: Propagate error and simplify ternary operators for brcmstb_nand_wait_for_completion()")
Signed-off-by: david regan <dregan@xxxxxxxxxxxx>
Reviewed-by: William Zhang <william.zhang@xxxxxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mtd/nand/raw/brcmnand/brcmnand.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 440bef477930c..085a16148a68d 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2450,6 +2450,11 @@ static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip,
brcmnand_send_cmd(host, CMD_PROGRAM_PAGE);
status = brcmnand_waitfunc(chip);
+ if (status < 0) {
+ ret = status;
+ goto out;
+ }
+
if (status & NAND_STATUS_FAIL) {
dev_info(ctrl->dev, "program failed at %llx\n",
(unsigned long long)addr);
--
2.39.5
