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regmap: Silence warning on invalid zero length read
authorMark Brown <broonie@kernel.org>
Wed, 1 Jul 2015 22:51:43 +0000 (23:51 +0100)
committerMark Brown <broonie@kernel.org>
Tue, 14 Jul 2015 10:23:08 +0000 (11:23 +0100)
commitfa3eec7791b0fe27e3112804a71ba445ff336a6b
tree770834b4226186039a7227e71ccd877b8dd7c82atree | snapshot (tar.gz zip)
parent04dc91ce2cca5927159c689aa1f47663f8c51530commit | diff
regmap: Silence warning on invalid zero length read

Zero length reads make no sense in a regmap context and are likely to
trigger bugs further down the stack so insert an error check, also
silencing compiler warnings about use of ret in cases where we iterate
per register.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/base/regmap/regmap.c diff | blob | blame | history