michaelh/zephyr
1
0
Fork 0
Code Releases Activity

arch: arm: mpu: fix _get_region_ap(.) function

Browse source 
This commit fixes a bug in _get_region_ap(.) by adding
parentheses to enforce the correct operator precedence.

Fixes #8864.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2018-07-12 10:10:43 +02:00 • committed by Maureen Helm
commit 8bfddb52e5
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
arch/arm/core/cortex_m/mpu/arm_mpu.c
View file

@ -225,7 +225,7 @@ static inline int _is_in_region(u32_t r_index, u32_t start, u32_t size)
static inline u32_t _get_region_ap(u32_t r_index)
{
MPU->RNR = r_index;
return MPU->RASR & MPU_RASR_AP_Msk >> MPU_RASR_AP_Pos;
return (MPU->RASR & MPU_RASR_AP_Msk) >> MPU_RASR_AP_Pos;
}
/* ARM Core MPU Driver API Implementation for ARM MPU */