[PATCH 00/15] staging: exfat: Clean up return codes
Valdis Kl=?utf-8?Q?=c4=93?=tnieks
valdis.kletnieks at vt.edu
Thu Oct 24 16:45:01 UTC 2019
On Thu, 24 Oct 2019 09:23:24 -0700, Joe Perches said:
> All well and good, but does converting the error code from
> positive to negative have any impact on any of the code
> paths that use these return values?
>
> if (error > 0)
> vs
> if (error < 0)
I was keeping an eye open for that, and didn't see any.
An interesting case is the FFS_EOF patch, which fixes an actual bug. If you did
a read for length 0, it would return FFS_EOF (==15) - which would be
interpreted as the number of bytes returned by read().
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