> On Jan 2, 2015, at 12:00 AM, Ed Maste <ema...@freebsd.org> wrote:
> On 1 January 2015 at 23:13, Steven Hartland <kill...@multiplay.co.uk> wrote:
>> On 02/01/2015 01:23, Bjoern A. Zeeb wrote:
>>> you need the next line of source to see that while the union only defines
>>> Simple, the comparison goes up to SG_LIST (or something) which is indeed
>>> defined as 58. Cn someone fix this? This makes i386 compiles failing
>>> error: array index 58 is past the end of the array (which contains 1
>>> element) [-Werror,-Warray-bounds]
>>> while ((len > 0) && (sg < &((PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
>>> /scratch/tmp/bz/head.svn/sys/dev/asr/i2omsg.h:934:8: note: array 'Simple'
>>> declared here
>>> I2O_SGE_SIMPLE_ELEMENT Simple;
>> If that's wrong it looks like there's also a number of calls to the macro
>> SG(SGL,Index,Flags,Buffer,Size) which are also wrong as Index is used in
>> the same way:
>> There appears to be two calls to SG where Index is 1.
>> I'm afraid I have no idea what the fix would be as the entire driver is very
>> voodoo like to me :(
> It's a variable length array in a struct / union. Other than being
> confusing and now triggering a warning after the clang update it
> should be fine.
> Most likely we need to build asr with -Werror disabled for that
> warning, perhaps -Wno-error-array-bounds. I'll take a look tomorrow
> morning if nobody else gets to it first.
I got to it first ;-)
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