Author: pfg
Date: Sat May 21 17:52:44 2016
New Revision: 300377
URL: https://svnweb.freebsd.org/changeset/base/300377
Log:
ndis(4): Avoid overflow.
This is a long standing problem: our random() function returns an
unsigned integer but the rand provided by ndis(4) returns an int.
Scale it down.
MFC after: 2 weeks
Modified:
head/sys/compat/ndis/subr_ntoskrnl.c
Modified: head/sys/compat/ndis/subr_ntoskrnl.c
==============================================================================
--- head/sys/compat/ndis/subr_ntoskrnl.c Sat May 21 17:38:43 2016
(r300376)
+++ head/sys/compat/ndis/subr_ntoskrnl.c Sat May 21 17:52:44 2016
(r300377)
@@ -3189,7 +3189,7 @@ static int
rand(void)
{
- return (random());
+ return (random() / 2 + 1);
}
static void
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