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include/bitfield.h: Assure new bitfield value doesn't touch unwanted bits

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The new bitfield value must not be higher than its mask.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Codrin Ciubotariu
2015-07-24 16:52:19 +03:00
committed by Tom Rini
parent 4cffbec96a
commit c69abd801b
1 changed files with 1 additions and 1 deletions
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2
include/bitfield.h
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@@ -54,5 +54,5 @@ static inline uint bitfield_replace(uint reg_val, uint shift, uint width,
{
uint mask = bitfield_mask(shift, width);
return (reg_val & ~mask) | (bitfield_val << shift);
return (reg_val & ~mask) | ((bitfield_val << shift) & mask);
}