diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-16 09:09:24 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-16 09:09:24 +0200 |
commit | 500f0716b5f7fd6b0ff3d045588c7588ce2eee1d (patch) | |
tree | 05cfa2e77069af443f06bcfbf327f9aa2050eec7 /drivers/nvmem/core.c | |
parent | 4eb44f69e77141992e305d9e75e021b196071cdd (diff) | |
parent | 9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff) |
Merge 4.18-rc5 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvmem/core.c')
-rw-r--r-- | drivers/nvmem/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index b5b0cdc21d01..514d1dfc5630 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -936,6 +936,10 @@ struct nvmem_cell *nvmem_cell_get(struct device *dev, const char *cell_id) return cell; } + /* NULL cell_id only allowed for device tree; invalid otherwise */ + if (!cell_id) + return ERR_PTR(-EINVAL); + return nvmem_cell_get_from_list(cell_id); } EXPORT_SYMBOL_GPL(nvmem_cell_get); |