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Bug #3023

closed

sys/dev/netif/bwn/bwn/if_bwn.c: 2 * strange bitmasks ?

Added by dcb about 7 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
Driver
Target version:
-
Start date:
04/11/2017
Due date:
% Done:

0%

Estimated time:

Description

1.

sys/dev/netif/bwn/bwn/if_bwn.c:2646]: (error) Shifting 64-bit value by 64 bits is undefined behaviour

Source code is

return (BWN_DMA_BIT_MASK(64));

Bitmasks are conventionally numbered 0 .. 63.

2.

sys/dev/netif/bwn/bwn/if_bwn.c:2664]: (error) Shifting 64-bit value by 64 bits is undefined behaviour

Source code is

if (dmamask == BWN_DMA_BIT_MASK(64))
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