tree c0ea83e53096f971df9be32bbd4a1d8f8a7452d4
parent 7928b2cbe55b2a410a0f5c1f154610059c57b1b2
author David Lechner <david@lechnology.com> 1519076581 -0600
committer Mark Brown <broonie@kernel.org> 1519128463 +0000
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regmap: Allow missing device in regmap_name_read_file()

This fixes a possible NULL pointer dereference oops in
regmap_name_read_file() when the regmap does not have a device
associated with it. For example syscon regmaps retrieved with
syscon_regmap_lookup_by_compatible() don't have a device.

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Mark Brown <broonie@kernel.org>