From: Li Qiang <[email protected]> Currently, the backend of VirtFS doesn't have a cleanup function. This will lead resource leak issues if the backed driver allocates resources. This patch addresses this issue.
Signed-off-by: Li Qiang <[email protected]> --- fsdev/file-op-9p.h | 1 + hw/9pfs/9p.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/fsdev/file-op-9p.h b/fsdev/file-op-9p.h index 6db9fea..a56dc84 100644 --- a/fsdev/file-op-9p.h +++ b/fsdev/file-op-9p.h @@ -100,6 +100,7 @@ struct FileOperations { int (*parse_opts)(QemuOpts *, struct FsDriverEntry *); int (*init)(struct FsContext *); + void (*cleanup)(struct FsContext *); int (*lstat)(FsContext *, V9fsPath *, struct stat *); ssize_t (*readlink)(FsContext *, V9fsPath *, char *, size_t); int (*chmod)(FsContext *, V9fsPath *, FsCred *); diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index aea7e9d..166b5a7 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -3532,6 +3532,9 @@ void v9fs_device_unrealize_common(V9fsState *s, Error **errp) { g_free(s->ctx.fs_root); g_free(s->tag); + if (s->ops->cleanup) { + s->ops->cleanup(&s->ctx); + } } typedef struct VirtfsCoResetData { -- 1.8.3.1
