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power: supply: da9150-fg: remove VLA usage 

In preparation to enabling -Wvla, remove VLA usage and replace it
with fixed-length arrays.

DA9150_QIF_LONG_SIZE (4 bytes) is the biggest size of an attribute which can
be accessed [1].

Fixed as part of the directive to remove all VLAs from
the kernel: https://lkml.org/lkml/2018/3/7/621

[1] https://marc.info/?l=kernel-hardening&m=152059600524753&w=2

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
This commit is contained in:
Gustavo A. R. Silva 2018-03-09 12:27:08 -06:00 committed by Sebastian Reichel
parent 3c6b4f46b4
commit fc5a7f0339
1 changed files with 2 additions and 2 deletions
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4
drivers/power/supply/da9150-fg.c
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@ -92,7 +92,7 @@ struct da9150_fg {
static u32 da9150_fg_read_attr(struct da9150_fg *fg, u8 code, u8 size)
{
u8 buf[size];
u8 buf[DA9150_QIF_LONG_SIZE];
u8 read_addr;
u32 res = 0;
int i;
@ -111,7 +111,7 @@ static void da9150_fg_write_attr(struct da9150_fg *fg, u8 code, u8 size,
u32 val)
{
u8 buf[size];
u8 buf[DA9150_QIF_LONG_SIZE];
u8 write_addr;
int i;