The master MTD will only have an associated device if CONFIG_MTD_PARTITIONED_MASTER is set, thus we cannot use dev_err() on mtd->dev. Instead use the parent device which is the physical flash memory. Fixes: 4b361cfa8624 ("mtd: core: add OTP nvmem provider support") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Michael Walle <michael@xxxxxxxx> --- drivers/mtd/mtdcore.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 3fe2825a85a1..4a19e69fb77b 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -938,6 +938,7 @@ static int mtd_nvmem_fact_otp_reg_read(void *priv, unsigned int offset, static int mtd_otp_nvmem_add(struct mtd_info *mtd) { + struct device *dev = mtd->dev.parent; struct nvmem_device *nvmem; ssize_t size; int err; @@ -951,7 +952,7 @@ static int mtd_otp_nvmem_add(struct mtd_info *mtd) nvmem = mtd_otp_nvmem_register(mtd, "user-otp", size, mtd_nvmem_user_otp_reg_read); if (IS_ERR(nvmem)) { - dev_err(&mtd->dev, "Failed to register OTP NVMEM device\n"); + dev_err(dev, "Failed to register OTP NVMEM device\n"); return PTR_ERR(nvmem); } mtd->otp_user_nvmem = nvmem; @@ -969,7 +970,7 @@ static int mtd_otp_nvmem_add(struct mtd_info *mtd) nvmem = mtd_otp_nvmem_register(mtd, "factory-otp", size, mtd_nvmem_fact_otp_reg_read); if (IS_ERR(nvmem)) { - dev_err(&mtd->dev, "Failed to register OTP NVMEM device\n"); + dev_err(dev, "Failed to register OTP NVMEM device\n"); err = PTR_ERR(nvmem); goto err; } -- 2.30.2