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ASoC: wm8904: harmless underflow in wm8904_put_deemph()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 13 Oct 2015 07:08:18 +0000 (10:08 +0300)
committerMark Brown <broonie@kernel.org>
Thu, 22 Oct 2015 12:54:13 +0000 (13:54 +0100)
commit7ca7e1b5d8cc01dff9e0fead5c0f0a65165f33dc
tree15e5684c4a4bd9f5373afbc0e5283bbf518e478dtree | snapshot
parent48fdd7874f07dfb3a661edca7ea1d4807bb4ccb0commit | diff
ASoC: wm8904: harmless underflow in wm8904_put_deemph()

We try to check that "deemph" is zero or one, but because of an
underflow bug, it can also be negative.  It's fine, negative values are
handled as non-zero.  But it's messy and static checkers complain so
let's fix it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/wm8904.c diff | blob | history
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