On 06/11/15 01:24, Andrew Jones wrote: > It's pretty safe to not even bother checking for NULL when > using malloc and friends, but if we do check, then fail > hard. > > Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx> > --- > lib/virtio-mmio.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/lib/virtio-mmio.c b/lib/virtio-mmio.c > index 043832299174e..1b6f0cc378b79 100644 > --- a/lib/virtio-mmio.c > +++ b/lib/virtio-mmio.c ... > @@ -161,9 +160,7 @@ static struct virtio_device *virtio_mmio_dt_bind(u32 devid) > if (node == -FDT_ERR_NOTFOUND) > return NULL; > > - vm_dev = calloc(1, sizeof(*vm_dev)); > - if (!vm_dev) > - return NULL; > + assert((vm_dev = calloc(1, sizeof(*vm_dev))) != NULL); Could you maybe write that as two statements? assert() is classically a macro which could also be disabled, so if somebody introduces a switch to "#define assert(...) /*nothing*/" in the future, that calloc call would be completely gone! Thomas -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html