Commit 91dd71e5 authored by Dave Jones's avatar Dave Jones

[AGP] Clean up atomic usage of agp_bridge.agp_in_use

parent fcbdf76e
...@@ -49,12 +49,10 @@ int agp_backend_acquire(void) ...@@ -49,12 +49,10 @@ int agp_backend_acquire(void)
if (agp_bridge.type == NOT_SUPPORTED) if (agp_bridge.type == NOT_SUPPORTED)
return -EINVAL; return -EINVAL;
atomic_inc(&agp_bridge.agp_in_use); if (atomic_read(&agp_bridge.agp_in_use) != 0)
if (atomic_read(&agp_bridge.agp_in_use) != 1) {
atomic_dec(&agp_bridge.agp_in_use);
return -EBUSY; return -EBUSY;
}
atomic_inc(&agp_bridge.agp_in_use);
return 0; return 0;
} }
......
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