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CVS commit: src/sys/netsmb

Module Name:    src
Committed By:   nakayama
Date:           Fri May 11 14:51:39 UTC 2012

Modified Files:
        src/sys/netsmb: subr_mchain.c

Log Message:
Since "len" has changed to (unsinged) size_t, the while loop
condition (len > 0) became less able to detect its underflow.
So check the subtrahend to avoid the underflow.

Should fix PR kern/44092.

To generate a diff of this commit:
cvs rdiff -u -r1.20 -r1.21 src/sys/netsmb/subr_mchain.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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