From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60506) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUXZ3-0006fJ-AV for qemu-devel@nongnu.org; Wed, 26 Aug 2015 06:04:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZUXZ0-00069V-49 for qemu-devel@nongnu.org; Wed, 26 Aug 2015 06:04:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57823) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUXYz-00069N-Um for qemu-devel@nongnu.org; Wed, 26 Aug 2015 06:04:14 -0400 From: Jason Wang Date: Wed, 26 Aug 2015 18:04:07 +0800 Message-Id: <1440583448-15797-1-git-send-email-jasowang@redhat.com> Subject: [Qemu-devel] [PATCH 1/2] memory: allow zero size for adjust_endianness() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Jason Wang , Greg Kurz , mst@redhat.com Wildcard mmio eventfd use zero size, but it will lead abort() since it was illegal in adjust_endianness(). Fix this by allowing zero size. Cc: Greg Kurz Cc: Paolo Bonzini Signed-off-by: Jason Wang --- memory.c | 1 + 1 file changed, 1 insertion(+) diff --git a/memory.c b/memory.c index 4eb138a..134aa57 100644 --- a/memory.c +++ b/memory.c @@ -353,6 +353,7 @@ static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size) { if (memory_region_wrong_endianness(mr)) { switch (size) { + case 0: case 1: break; case 2: -- 2.1.4