[PATCH 09/15] mini-os: eliminate kbdfront union member in struct file

[Juergen Gross <jgross@xxxxxxxx>]

Replace the kbdfront specific union member in struct file with the
common dev pointer.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 fbfront.c     | 2 +-
 include/lib.h | 3 ---
 lib/sys.c     | 4 ++--
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/fbfront.c b/fbfront.c
index c8410af..1e055fb 100644
--- a/fbfront.c
+++ b/fbfront.c
@@ -302,7 +302,7 @@ int kbdfront_open(struct kbdfront_dev *dev)
 {
     dev->fd = alloc_fd(FTYPE_KBD);
     printk("kbd_open(%s) -> %d\n", dev->nodename, dev->fd);
-    files[dev->fd].kbd.dev = dev;
+    files[dev->fd].dev = dev;
     return dev->fd;
 }
 #endif
diff --git a/include/lib.h b/include/lib.h
index 2a9a01c..5201ed7 100644
--- a/include/lib.h
+++ b/include/lib.h
@@ -196,9 +196,6 @@ struct file {
        struct {
            struct netfront_dev *dev;
        } tap;
-       struct {
-           struct kbdfront_dev *dev;
-       } kbd;
 #ifdef CONFIG_TPMFRONT
        struct {
           struct tpmfront_dev *dev;
diff --git a/lib/sys.c b/lib/sys.c
index 2d48657..8c7ea3c 100644
--- a/lib/sys.c
+++ b/lib/sys.c
@@ -275,7 +275,7 @@ int read(int fd, void *buf, size_t nbytes)
         case FTYPE_KBD: {
             int ret, n;
             n = nbytes / sizeof(union xenkbd_in_event);
-            ret = kbdfront_receive(files[fd].kbd.dev, buf, n);
+            ret = kbdfront_receive(files[fd].dev, buf, n);
            if (ret <= 0) {
                errno = EAGAIN;
                return -1;
@@ -474,7 +474,7 @@ int close(int fd)
 #endif
 #ifdef CONFIG_KBDFRONT
        case FTYPE_KBD:
-            shutdown_kbdfront(files[fd].kbd.dev);
+            shutdown_kbdfront(files[fd].dev);
             files[fd].type = FTYPE_NONE;
             return 0;
 #endif
-- 
2.26.2