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| author | Alban Bedel <albeu@free.fr> | 2019-01-28 18:55:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-31 18:24:14 +0300 |
| commit | 5087cc198e545ff9974b20daf2d43658f7711aa0 (patch) | |
| tree | 1c94bbe6ebf3eecb13d51541bab1590b5e890310 | |
| parent | 1716cfe8be4974741e56529aa7076f244aed9ade (diff) | |
| download | linux-5087cc198e545ff9974b20daf2d43658f7711aa0.tar.xz | |
nvmem: core: Fix of_nvmem_cell_get() for optional cells
of_nvmem_cell_get() should return -ENOENT when a cell isn't defined,
otherwise callers can't distinguish between a missing cell and other
errors.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/nvmem/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index cf2e1091fe89..f8c43da6f2ca 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1031,7 +1031,7 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id) cell_np = of_parse_phandle(np, "nvmem-cells", index); if (!cell_np) - return ERR_PTR(-EINVAL); + return ERR_PTR(-ENOENT); nvmem_np = of_get_next_parent(cell_np); if (!nvmem_np) |