1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 323592de047b..afa7d750a593 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
@@ -2452,8 +2452,8 @@ static int __init amb_module_init (void)
 static void __exit amb_module_exit (void)
 {
   PRINTD (DBG_FLOW|DBG_INIT, "cleanup_module");
-  
-  return pci_unregister_driver(&amb_driver);
+
+  pci_unregister_driver(&amb_driver);
 }
 
 module_init(amb_module_init);