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-rw-r--r--drivers/atm/ambassador.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 9fffa7af..afa7d75 100644
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -972,7 +972,7 @@ static int make_rate (unsigned int rate, rounding r,
}
case round_up: {
// check all bits that we are discarding
- if (man & (-1>>9)) {
+ if (man & (~0U>>9)) {
man = (man>>(32-9)) + 1;
if (man == (1<<9)) {
// no need to check for round up outside of range
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