linux-kernel - [PATCH 1/2] mtd: core: Report error if first mtd_otp_size() call fails in mtd_otp_nvmem

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Date: Thu,  7 Mar 2024 15:04:17 +0200
From: Aapo Vienamo <aapo.vienamo@...ux.intel.com>
To: Michael Walle <michael@...le.cc>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Aapo Vienamo <aapo.vienamo@...ux.intel.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH 1/2] mtd: core: Report error if first mtd_otp_size() call fails in mtd_otp_nvmem_add()

Jump to the error reporting code in mtd_otp_nvmem_add() if the
mtd_otp_size() call fails. Without this fix, the error is not logged.

Signed-off-by: Aapo Vienamo <aapo.vienamo@...ux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
Fixes: 4b361cfa8624 ("mtd: core: add OTP nvmem provider support")
---
 drivers/mtd/mtdcore.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 5887feb347a4..c365c97e7232 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -956,8 +956,10 @@ static int mtd_otp_nvmem_add(struct mtd_info *mtd)
 
 	if (mtd->_get_user_prot_info && mtd->_read_user_prot_reg) {
 		size = mtd_otp_size(mtd, true);
-		if (size < 0)
-			return size;
+		if (size < 0) {
+			err = size;
+			goto err;
+		}
 
 		if (size > 0) {
 			nvmem = mtd_otp_nvmem_register(mtd, "user-otp", size,
-- 
2.41.0