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mt76x0: Remove VLA usage

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Even with "const" variables, the compiler will generate warnings about
VLA usage. In the quest to remove all VLAs from the kernel[1], this uses
a #define instead of a const to do the array sizing.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Fixes: e87b5039511a ("mt76x0: eeprom files")
Signed-off-by: Kees Cook <[email protected]>
Acked-by: Stanislaw Gruszka <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
This commit is contained in:
Kees Cook
2018-09-11 13:49:19 +02:00
committed by Felix Fietkau
parent 560b643ebd
commit d1645aa45b
1 changed files with 3 additions and 3 deletions
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mt76x0/eeprom.c
+3 -3
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@@ -81,15 +81,15 @@ mt76x0_efuse_read(struct mt76x0_dev *dev, u16 addr, u8 *data,
return 0;
}
#define MT_MAP_READS DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16)
static int
mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev)
{
const int map_reads = DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16);
u8 data[map_reads * 16];
u8 data[MT_MAP_READS * 16];
int ret, i;
u32 start = 0, end = 0, cnt_free;
for (i = 0; i < map_reads; i++) {
for (i = 0; i < MT_MAP_READS; i++) {
ret = mt76x0_efuse_read(dev, MT_EE_USAGE_MAP_START + i * 16,
data + i * 16, MT_EE_PHYSICAL_READ);
if (ret)