Commit 19e16fb4 authored Jan 02, 2019 by Boris Brezillon

mtd: Fix the check on nvmem_register() ret code

Commit 20167b70 ("nvmem: use EOPNOTSUPP instead of ENOSYS") changed
the nvmem_register() ret code from ENOSYS to EOPNOTSUPP when
CONFIG_NVMEM is not enabled, but the check in mtd_nvmem_add() was not
adjusted accordingly.

Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Alban Bedel <albeu@free.fr>
Fixes: c4dfa25a ("mtd: add support for reading MTD devices via the nvmem API")
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>

parent bfeffd15

drivers/mtd/mtdcore.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -522,7 +522,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd)
		mtd->nvmem = nvmem_register(&config);
		if (IS_ERR(mtd->nvmem)) {
		/* Just ignore if there is no NVMEM support in the kernel */
		if (PTR_ERR(mtd->nvmem) == -ENOSYS) {
		if (PTR_ERR(mtd->nvmem) == -EOPNOTSUPP) {
		mtd->nvmem = NULL;
		} else {
		dev_err(&mtd->dev, "Failed to register NVMEM device\n");