[Xen-changelog] [qemu-xen master] 9pfs: add cleanup operation for handle backend driver

[patchbot@xxxxxxx]

commit 971f406b77a6eb84e0ad27dcc416b663765aee30
Author:     Li Qiang <liq3ea@xxxxxxxxx>
AuthorDate: Wed Nov 23 13:53:34 2016 +0100
Commit:     Greg Kurz <groug@xxxxxxxx>
CommitDate: Wed Nov 23 13:53:34 2016 +0100

    9pfs: add cleanup operation for handle backend driver
    
    In the init operation of handle backend dirver, it allocates a
    handle_data struct and opens a mount file. We should free these
    resources when the 9pfs device is unrealized. This is what this
    patch does.
    
    Signed-off-by: Li Qiang <liq3ea@xxxxxxxxx>
    Reviewed-by: Greg Kurz <groug@xxxxxxxx>
    Signed-off-by: Greg Kurz <groug@xxxxxxxx>
---
 hw/9pfs/9p-handle.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/9pfs/9p-handle.c b/hw/9pfs/9p-handle.c
index 3d77594..1687661 100644
--- a/hw/9pfs/9p-handle.c
+++ b/hw/9pfs/9p-handle.c
@@ -649,6 +649,14 @@ out:
     return ret;
 }
 
+static void handle_cleanup(FsContext *ctx)
+{
+    struct handle_data *data = ctx->private;
+
+    close(data->mountfd);
+    g_free(data);
+}
+
 static int handle_parse_opts(QemuOpts *opts, struct FsDriverEntry *fse)
 {
     const char *sec_model = qemu_opt_get(opts, "security_model");
@@ -671,6 +679,7 @@ static int handle_parse_opts(QemuOpts *opts, struct 
FsDriverEntry *fse)
 FileOperations handle_ops = {
     .parse_opts   = handle_parse_opts,
     .init         = handle_init,
+    .cleanup      = handle_cleanup,
     .lstat        = handle_lstat,
     .readlink     = handle_readlink,
     .close        = handle_close,
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master

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