From 46bd067914d477a62a5281d312fba41482e065de Mon Sep 17 00:00:00 2001 From: John Snow Date: Mon, 11 Jan 2016 14:10:43 -0500 Subject: libqos: allow zero-size allocations As part of streamlining the AHCI tests interface, it'd be nice if specying a size of zero could be handled without special branches and the allocator could handle this special case gracefully. This lets me use the "ahci_io" macros for non-data commands, too, which moves me forward towards shepherding all AHCI qtests into a common set of commands in a unified pipeline. Signed-off-by: John Snow Message-id: 1452282920-21550-6-git-send-email-jsnow@redhat.com --- tests/libqos/malloc.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'tests/libqos/malloc.c') diff --git a/tests/libqos/malloc.c b/tests/libqos/malloc.c index 82b9df5..19d05ca 100644 --- a/tests/libqos/malloc.c +++ b/tests/libqos/malloc.c @@ -270,6 +270,10 @@ uint64_t guest_alloc(QGuestAllocator *allocator, size_t size) uint64_t rsize = size; uint64_t naddr; + if (!size) { + return 0; + } + rsize += (allocator->page_size - 1); rsize &= -allocator->page_size; g_assert_cmpint((allocator->start + rsize), <=, allocator->end); -- cgit v1.1