tools/kvm/9p: Don't follow symlink on server

Use lstat instead of stat

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c
index 0fbf59138175add1b33974ec164ff94ff275093c..cb09aa33213c75623fdc507b0fd15b2d478df40f 100644 (file)
--- a/tools/kvm/virtio/9p.c
+++ b/tools/kvm/virtio/9p.c
@@ -228,7 +228,7 @@ static bool virtio_p9_open(struct p9_dev *p9dev, struct p9_msg *msg,
        struct p9_fid *new_fid  = &p9dev->fids[topen->fid];
        struct stat st;
 
-       if (stat(new_fid->abs_path, &st) < 0)
+       if (lstat(new_fid->abs_path, &st) < 0)
                return false;
 
        st2qid(&st, &ropen->qid);
@@ -275,7 +275,7 @@ static bool virtio_p9_create(struct p9_dev *p9dev, struct p9_msg *msg,
                fid->fd = open(fid->abs_path, omode2uflags(mode) | O_CREAT, 0777);
        }
 
-       if (stat(fid->abs_path, &st) < 0)
+       if (lstat(fid->abs_path, &st) < 0)
                return false;
 
        st2qid(&st, &rcreate->qid);
@@ -309,7 +309,7 @@ static bool virtio_p9_walk(struct p9_dev *p9dev, struct p9_msg *msg,
                        /* Format the new path we're 'walk'ing into */
                        sprintf(tmp, "%s/%.*s", fid->path, str->len, (char *)&str->str);
 
-                       if (stat(rel_to_abs(p9dev, tmp, full_path), &st) < 0)
+                       if (lstat(rel_to_abs(p9dev, tmp, full_path), &st) < 0)
                                break;
 
                        st2qid(&st, &rwalk->wqids[i]);
@@ -345,7 +345,7 @@ static bool virtio_p9_attach(struct p9_dev *p9dev, struct p9_msg *msg,
        for (i = 0; i < VIRTIO_P9_MAX_FID; i++)
                p9dev->fids[i].fid = P9_NOFID;
 
-       if (stat(p9dev->root_dir, &st) < 0)
+       if (lstat(p9dev->root_dir, &st) < 0)
                return false;
 
        st2qid(&st, &rattach->qid);
@@ -422,7 +422,7 @@ static bool virtio_p9_read(struct p9_dev *p9dev, struct p9_msg *msg,
                while (cur) {
                        u32 read;
 
-                       stat(rel_to_abs(p9dev, cur->d_name, full_path), &st);
+                       lstat(rel_to_abs(p9dev, cur->d_name, full_path), &st);
                        read = virtio_p9_fill_stat(p9dev, cur->d_name,
                                                   &st, rstat);
                        rread->count += read;
@@ -454,7 +454,7 @@ static bool virtio_p9_stat(struct p9_dev *p9dev, struct p9_msg *msg,
        struct p9_fid *fid = &p9dev->fids[tstat->fid];
        u32 ret;
 
-       if (stat(fid->abs_path, &st) < 0)
+       if (lstat(fid->abs_path, &st) < 0)
                return false;
 
        ret = virtio_p9_fill_stat(p9dev, fid->path, &st, rstat);