[Qemu-devel] [PATCH 04/25] [virtio-9p] clean up v9fs_readlink.

["Venkateswararao Jujjuri (JV)" <jvrao@linux.vnet.ibm.com>]

Rearrange the code so that we can avoid V9fsReadLinkState.

Signed-off-by: Venkateswararao Jujjuri "<jvrao@linux.vnet.ibm.com>
---
 hw/9pfs/virtio-9p.c |   26 ++++++++++----------------
 hw/9pfs/virtio-9p.h |    7 -------
 2 files changed, 10 insertions(+), 23 deletions(-)

diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 0b38868..c4d903a 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -3640,36 +3640,30 @@ out:
 static void v9fs_readlink(void *opaque)
 {
     V9fsCoPdu *copdu = opaque;
-    V9fsState *s = copdu->s;
-    V9fsPDU *pdu = copdu->pdu;
+    size_t offset = 7;
+    V9fsString target;
     int32_t fid;
-    V9fsReadLinkState *vs;
     int err = 0;
     V9fsFidState *fidp;
 
-    vs = qemu_malloc(sizeof(*vs));
-    vs->pdu = pdu;
-    vs->offset = 7;
-
-    pdu_unmarshal(vs->pdu, vs->offset, "d", &fid);
-    fidp = lookup_fid(s, fid);
+    pdu_unmarshal(copdu->pdu, offset, "d", &fid);
+    fidp = lookup_fid(copdu->s, fid);
     if (fidp == NULL) {
         err = -ENOENT;
         goto out;
     }
 
-    v9fs_string_init(&vs->target);
-    err = v9fs_do_readlink(s, &fidp->path, &vs->target);
+    v9fs_string_init(&target);
+    err = v9fs_do_readlink(copdu->s, &fidp->path, &target);
     if (err < 0) {
         err = -errno;
         goto out;
     }
-    vs->offset += pdu_marshal(vs->pdu, vs->offset, "s", &vs->target);
-    err = vs->offset;
-    v9fs_string_free(&vs->target);
+    offset += pdu_marshal(copdu->pdu, offset, "s", &target);
+    err = offset;
+    v9fs_string_free(&target);
 out:
-    complete_pdu(s, vs->pdu, err);
-    qemu_free(vs);
+    complete_pdu(copdu->s, copdu->pdu, err);
     qemu_free(copdu);
 }
 
diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h
index 5021da8..bf8f64b 100644
--- a/hw/9pfs/virtio-9p.h
+++ b/hw/9pfs/virtio-9p.h
@@ -493,13 +493,6 @@ typedef struct V9fsGetlockState
     V9fsGetlock *glock;
 } V9fsGetlockState;
 
-typedef struct V9fsReadLinkState
-{
-    V9fsPDU *pdu;
-    size_t offset;
-    V9fsString target;
-} V9fsReadLinkState;
-
 size_t pdu_packunpack(void *addr, struct iovec *sg, int sg_count,
                       size_t offset, size_t size, int pack);
 
-- 
1.7.1