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[PKT_SCHED]: Fix range in psched_tod_diff() to 0..bound 

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2005-04-28 12:14:37 -07:00 committed by David S. Miller
parent 89c8b3a110
commit 7b3c63ac7c
1 changed files with 3 additions and 2 deletions
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5
include/net/pkt_sched.h
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@ -140,7 +140,7 @@ psched_tod_diff(int delta_sec, int bound)
if (bound <= 1000000 || delta_sec > (0x7FFFFFFF/1000000)-1) if (bound <= 1000000 || delta_sec > (0x7FFFFFFF/1000000)-1)
return bound; return bound;
delta = delta_sec * 1000000; delta = delta_sec * 1000000;
if (delta > bound) if (delta > bound || delta < 0)
delta = bound; delta = bound;
return delta; return delta;
} }
@ -156,7 +156,8 @@ psched_tod_diff(int delta_sec, int bound)
__delta += 1000000; \ __delta += 1000000; \
case 1: \ case 1: \
__delta += 1000000; \ __delta += 1000000; \
case 0: ; \ case 0: \
__delta = abs(__delta); \
} \ } \
__delta; \ __delta; \
}) })