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[Qemu-devel] [PATCH 2/4] hw/9pfs: handle undefined FS_IOC_GETVERSION cas
From: |
Kirill A. Shutemov |
Subject: |
[Qemu-devel] [PATCH 2/4] hw/9pfs: handle undefined FS_IOC_GETVERSION case in handle_ioc_getversion() |
Date: |
Tue, 28 Jan 2014 17:08:25 +0200 |
All get_st_gen() implementations except handle_ioc_getversion() have
guard for undefined FS_IOC_GETVERSION. Let's add it there too.
Signed-off-by: Kirill A. Shutemov <address@hidden>
---
hw/9pfs/virtio-9p-handle.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/9pfs/virtio-9p-handle.c b/hw/9pfs/virtio-9p-handle.c
index fe8e0ed19dcc..ed8c126e1d6c 100644
--- a/hw/9pfs/virtio-9p-handle.c
+++ b/hw/9pfs/virtio-9p-handle.c
@@ -582,6 +582,7 @@ static int handle_unlinkat(FsContext *ctx, V9fsPath *dir,
static int handle_ioc_getversion(FsContext *ctx, V9fsPath *path,
mode_t st_mode, uint64_t *st_gen)
{
+#ifdef FS_IOC_GETVERSION
int err;
V9fsFidOpenState fid_open;
@@ -599,6 +600,10 @@ static int handle_ioc_getversion(FsContext *ctx, V9fsPath
*path,
err = ioctl(fid_open.fd, FS_IOC_GETVERSION, st_gen);
handle_close(ctx, &fid_open);
return err;
+#else
+ errno = ENOTTY;
+ return -1;
+#endif
}
static int handle_init(FsContext *ctx)
--
1.8.5.2