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-rw-r--r--tools/lguest/lguest.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index 80dc6346030e..990671e61f87 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -769,20 +769,21 @@ static unsigned wait_for_vq_desc(struct virtqueue *vq,
* that: no rmb() required.
*/
- /*
- * If this is an indirect entry, then this buffer contains a descriptor
- * table which we handle as if it's any normal descriptor chain.
- */
- if (desc[i].flags & VRING_DESC_F_INDIRECT) {
- if (desc[i].len % sizeof(struct vring_desc))
- errx(1, "Invalid size for indirect buffer table");
+ do {
+ /*
+ * If this is an indirect entry, then this buffer contains a
+ * descriptor table which we handle as if it's any normal
+ * descriptor chain.
+ */
+ if (desc[i].flags & VRING_DESC_F_INDIRECT) {
+ if (desc[i].len % sizeof(struct vring_desc))
+ errx(1, "Invalid size for indirect buffer table");
- max = desc[i].len / sizeof(struct vring_desc);
- desc = check_pointer(desc[i].addr, desc[i].len);
- i = 0;
- }
+ max = desc[i].len / sizeof(struct vring_desc);
+ desc = check_pointer(desc[i].addr, desc[i].len);
+ i = 0;
+ }
- do {
/* Grab the first descriptor, and check it's OK. */
iov[*out_num + *in_num].iov_len = desc[i].len;
iov[*out_num + *in_num].iov_base