Rearrange the code so that we can avoid V9fsSymlinkState and additional malloc()s.
Signed-off-by: Venkateswararao Jujjuri "<jv...@linux.vnet.ibm.com> --- hw/9pfs/virtio-9p.c | 45 +++++++++++++++++++++------------------------ hw/9pfs/virtio-9p.h | 12 ------------ 2 files changed, 21 insertions(+), 36 deletions(-) diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c index 8702319..1e6c2b8 100644 --- a/hw/9pfs/virtio-9p.c +++ b/hw/9pfs/virtio-9p.c @@ -2120,49 +2120,46 @@ out: static void v9fs_symlink(void *opaque) { V9fsPDU *pdu = opaque; - V9fsState *s = pdu->s; + V9fsString name; + V9fsString symname; + V9fsString fullname; + V9fsFidState *dfidp; + V9fsQID qid; + struct stat stbuf; int32_t dfid; - V9fsSymlinkState *vs; int err = 0; gid_t gid; + size_t offset = 7; - vs = qemu_malloc(sizeof(*vs)); - vs->pdu = pdu; - vs->offset = 7; - - v9fs_string_init(&vs->fullname); + v9fs_string_init(&fullname); - pdu_unmarshal(vs->pdu, vs->offset, "dssd", &dfid, &vs->name, - &vs->symname, &gid); + pdu_unmarshal(pdu, offset, "dssd", &dfid, &name, &symname, &gid); - vs->dfidp = lookup_fid(s, dfid); - if (vs->dfidp == NULL) { + dfidp = lookup_fid(pdu->s, dfid); + if (dfidp == NULL) { err = -EINVAL; goto out; } - v9fs_string_sprintf(&vs->fullname, "%s/%s", vs->dfidp->path.data, - vs->name.data); - err = v9fs_do_symlink(s, vs->dfidp, vs->symname.data, - vs->fullname.data, gid); + v9fs_string_sprintf(&fullname, "%s/%s", dfidp->path.data, name.data); + err = v9fs_do_symlink(pdu->s, dfidp, symname.data, fullname.data, gid); if (err < 0) { err = -errno; goto out; } - err = v9fs_do_lstat(s, &vs->fullname, &vs->stbuf); + err = v9fs_do_lstat(pdu->s, &fullname, &stbuf); if (err == 0) { - stat_to_qid(&vs->stbuf, &vs->qid); - vs->offset += pdu_marshal(vs->pdu, vs->offset, "Q", &vs->qid); - err = vs->offset; + stat_to_qid(&stbuf, &qid); + offset += pdu_marshal(pdu, offset, "Q", &qid); + err = offset; } else { err = -errno; } out: - complete_pdu(s, vs->pdu, err); - v9fs_string_free(&vs->name); - v9fs_string_free(&vs->symname); - v9fs_string_free(&vs->fullname); - qemu_free(vs); + complete_pdu(pdu->s, pdu, err); + v9fs_string_free(&name); + v9fs_string_free(&symname); + v9fs_string_free(&fullname); } static void v9fs_flush(void *opaque) diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h index e7d87d9..29f3184 100644 --- a/hw/9pfs/virtio-9p.h +++ b/hw/9pfs/virtio-9p.h @@ -305,18 +305,6 @@ typedef struct V9fsWstatState struct stat stbuf; } V9fsWstatState; -typedef struct V9fsSymlinkState -{ - V9fsPDU *pdu; - size_t offset; - V9fsString name; - V9fsString symname; - V9fsString fullname; - V9fsFidState *dfidp; - V9fsQID qid; - struct stat stbuf; -} V9fsSymlinkState; - typedef struct V9fsIattr { int32_t valid; -- 1.7.1