when trying to read from a short or zero length file,
it's possible for sanity checking to knock the length below
zero. set a floor at zero.
Reviewed-on: http://gerrit.openafs.org/494
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Len = 0;
}
- if (Pos + Len > tlen)
- Len = tlen - Pos; /* get length we should send */
+ if (Pos + Len > tlen) /* get length we should send */
+ Len = ((tlen - Pos) < 0) ? 0 : tlen - Pos;
+
(void)FDH_SEEK(fdP, Pos, 0);
{
afs_int32 high, low;