iio: st_sensors: simplify buffer address handling

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The driver goes to some length to dynamically allocate an array
to hold the channel addresses. However no ST sensor has more than
three channels (x, y, z at most). Instead of kmalloc():ing and
kfree():in the address array, just use a fixed array of three
elements.

Cc: Giuseppe Barba <giuseppe.barba@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Linus Walleij 2016-03-24 14:18:03 +01:00 • committed by Jonathan Cameron

parent d1ef4f2cae

commit e6e45420f4

1 changed files with 7 additions and 21 deletions

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drivers/iio/common/st_sensors/st_sensors_buffer.c

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