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kernel: Fix left shift into sign bit

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The result of left shifting a bit into the sign-bit is undefined
behavior. This makes the offending shift operation unsigned.

Signed-off-by: Kristian Klomsten Skordal <kristian.skordal@nordicsemi.no>
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Kristian Klomsten Skordal 2018-03-22 13:08:17 +01:00 • committed by Anas Nashif
commit c39e2a2d6c
1 changed files with 1 additions and 1 deletions
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kernel/include/ksched.h
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@ -203,7 +203,7 @@ static inline int _get_ready_q_prio_bmap_index(int prio)
/* find out the prio bit for a given prio */ /* find out the prio bit for a given prio */
static inline int _get_ready_q_prio_bit(int prio) static inline int _get_ready_q_prio_bit(int prio)
{ {
return (1 << ((prio + _NUM_COOP_PRIO) & 0x1f)); return (1u << ((prio + _NUM_COOP_PRIO) & 0x1f));
} }
/* find out the ready queue array index for a given prio */ /* find out the ready queue array index for a given prio */