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Diffstat (limited to 'hw/block')
-rw-r--r--hw/block/xen_disk.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index 3b8ad33fc5..342868904d 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -976,14 +976,16 @@ static int blk_connect(struct XenDevice *xendev)
blkdev->feature_persistent = !!pers;
}
- blkdev->protocol = BLKIF_PROTOCOL_NATIVE;
- if (blkdev->xendev.protocol) {
- if (strcmp(blkdev->xendev.protocol, XEN_IO_PROTO_ABI_X86_32) == 0) {
- blkdev->protocol = BLKIF_PROTOCOL_X86_32;
- }
- if (strcmp(blkdev->xendev.protocol, XEN_IO_PROTO_ABI_X86_64) == 0) {
- blkdev->protocol = BLKIF_PROTOCOL_X86_64;
- }
+ if (!blkdev->xendev.protocol) {
+ blkdev->protocol = BLKIF_PROTOCOL_NATIVE;
+ } else if (strcmp(blkdev->xendev.protocol, XEN_IO_PROTO_ABI_NATIVE) == 0) {
+ blkdev->protocol = BLKIF_PROTOCOL_NATIVE;
+ } else if (strcmp(blkdev->xendev.protocol, XEN_IO_PROTO_ABI_X86_32) == 0) {
+ blkdev->protocol = BLKIF_PROTOCOL_X86_32;
+ } else if (strcmp(blkdev->xendev.protocol, XEN_IO_PROTO_ABI_X86_64) == 0) {
+ blkdev->protocol = BLKIF_PROTOCOL_X86_64;
+ } else {
+ blkdev->protocol = BLKIF_PROTOCOL_NATIVE;
}
blkdev->sring = xengnttab_map_grant_ref(blkdev->xendev.gnttabdev,