Commit 971f406b authored by Li Qiang's avatar Li Qiang Committed by Greg Kurz
Browse files

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: default avatarLi Qiang <liq3ea@gmail.com>
Reviewed-by: default avatarGreg Kurz <groug@kaod.org>
Signed-off-by: default avatarGreg Kurz <groug@kaod.org>
parent 702dbcc2

hw/9pfs/9p-handle.c

+9 −0
Original line number Diff line number Diff line
@@ -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,