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Re: [Qemu-devel] [PATCH 3/4] hw/9pfs: make get_st_gen() return ENOTTY er
From: |
Aneesh Kumar K.V |
Subject: |
Re: [Qemu-devel] [PATCH 3/4] hw/9pfs: make get_st_gen() return ENOTTY error on special files |
Date: |
Sun, 02 Feb 2014 21:58:55 +0530 |
User-agent: |
Notmuch/0.17+7~gc734dd75344e (http://notmuchmail.org) Emacs/24.3.1 (x86_64-pc-linux-gnu) |
"Kirill A. Shutemov" <address@hidden> writes:
> Currently we silently ignore getversion requests for anything except
> file or directory. Let's instead return ENOTTY error to indicate that
> getversion is not supported. It makes implementation consistent on
> all not-supported cases.
>
> Signed-off-by: Kirill A. Shutemov <address@hidden>
Reviewed-by: Aneesh Kumar K.V <address@hidden>
> ---
> hw/9pfs/virtio-9p-handle.c | 3 ++-
> hw/9pfs/virtio-9p-local.c | 3 ++-
> hw/9pfs/virtio-9p-proxy.c | 3 ++-
> 3 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/hw/9pfs/virtio-9p-handle.c b/hw/9pfs/virtio-9p-handle.c
> index ed8c126e1d6c..17002a3d2867 100644
> --- a/hw/9pfs/virtio-9p-handle.c
> +++ b/hw/9pfs/virtio-9p-handle.c
> @@ -591,7 +591,8 @@ static int handle_ioc_getversion(FsContext *ctx, V9fsPath
> *path,
> * We can get fd for regular files and directories only
> */
> if (!S_ISREG(st_mode) && !S_ISDIR(st_mode)) {
> - return 0;
> + errno = ENOTTY;
> + return -1;
> }
> err = handle_open(ctx, path, O_RDONLY, &fid_open);
> if (err < 0) {
> diff --git a/hw/9pfs/virtio-9p-local.c b/hw/9pfs/virtio-9p-local.c
> index 9be8854e9148..df0dbffa7ac4 100644
> --- a/hw/9pfs/virtio-9p-local.c
> +++ b/hw/9pfs/virtio-9p-local.c
> @@ -1077,7 +1077,8 @@ static int local_ioc_getversion(FsContext *ctx,
> V9fsPath *path,
> * We can get fd for regular files and directories only
> */
> if (!S_ISREG(st_mode) && !S_ISDIR(st_mode)) {
> - return 0;
> + errno = ENOTTY;
> + return -1;
> }
> err = local_open(ctx, path, O_RDONLY, &fid_open);
> if (err < 0) {
> diff --git a/hw/9pfs/virtio-9p-proxy.c b/hw/9pfs/virtio-9p-proxy.c
> index 5f44bb758b35..b57966d9d883 100644
> --- a/hw/9pfs/virtio-9p-proxy.c
> +++ b/hw/9pfs/virtio-9p-proxy.c
> @@ -1086,7 +1086,8 @@ static int proxy_ioc_getversion(FsContext *fs_ctx,
> V9fsPath *path,
> * we can get fd for regular files and directories only
> */
> if (!S_ISREG(st_mode) && !S_ISDIR(st_mode)) {
> - return 0;
> + errno = ENOTTY;
> + return -1;
> }
> err = v9fs_request(fs_ctx->private, T_GETVERSION, st_gen, "s", path);
> if (err < 0) {
> --
> 1.8.5.2
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