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mtd: Fix the check on nvmem_register() ret code

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Commit 20167b70c8 ("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: c4dfa25ab3 ("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>
This commit is contained in:
Boris Brezillon 2019-01-02 15:36:53 +01:00
parent bfeffd1552
commit 19e16fb4f3
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/mtdcore.c
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@ -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");