Re: [PATCH] sym53c8xx: Avoid undefined behaviour in drivers/scsi/sym53c8xx_2/sym_hipd.c:762

From: Martin K. Petersen
Date: Mon Aug 14 2017 - 23:07:37 EST

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In reply to: Johannes Thumshirn: "Re: [PATCH] sym53c8xx: Avoid undefined behaviour in drivers/scsi/sym53c8xx_2/sym_hipd.c:762"
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Helge,

> On parisc I see this UBSAN warning with a sym53c896:
>
> UBSAN: Undefined behaviour in ./drivers/scsi/sym53c8xx_2/sym_hipd.c:762:24
> index -1903078336 is out of range for type 'u32 [7]'
>
> Avoid this warning by switching to dev64_ul().

Applied to 4.14/scsi-queue. Thank you, Helge!

--
Martin K. Petersen Oracle Linux Engineering

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