[rtems commit] score: Fix _Processor_mask_To_uint32_t()
Sebastian Huber
sebh at rtems.org
Thu Dec 22 06:49:24 UTC 2022
Module: rtems
Branch: master
Commit: f169b513d2830d14dfff85ca17cc59d4c438ddd1
Changeset: http://git.rtems.org/rtems/commit/?id=f169b513d2830d14dfff85ca17cc59d4c438ddd1
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Tue Dec 20 15:11:25 2022 +0100
score: Fix _Processor_mask_To_uint32_t()
Correctly calculate the array index and shift value in
_Processor_mask_To_uint32_t(). The bugs had no impact yet since this
function was always called with a zero value for the index in RTEMS.
---
cpukit/include/rtems/score/processormask.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/cpukit/include/rtems/score/processormask.h b/cpukit/include/rtems/score/processormask.h
index bcdc1c471e..7ad6ea6edb 100644
--- a/cpukit/include/rtems/score/processormask.h
+++ b/cpukit/include/rtems/score/processormask.h
@@ -353,9 +353,9 @@ static inline uint32_t _Processor_mask_To_uint32_t(
uint32_t index
)
{
- long bits = mask->__bits[ __bitset_words( index ) ];
+ long bits = mask->__bits[ index / _BITSET_BITS ];
- return (uint32_t) (bits >> (32 * (index % _BITSET_BITS) / 32));
+ return (uint32_t) ( bits >> ( 32 * ( ( index % _BITSET_BITS ) / 32 ) ) );
}
/**
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