The read member of struct file should be bool.

In order to have the device specific part at the end of the structure
move "read" ahead of that.

Signed-off-by: Juergen Gross <jgr...@suse.com>
---
 blkfront.c             |  4 ++--
 console/xencons_ring.c |  2 +-
 fbfront.c              | 12 ++++++------
 include/lib.h          |  3 ++-
 netfront.c             |  4 ++--
 tpm_tis.c              |  2 +-
 tpmfront.c             |  6 +++---
 7 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/blkfront.c b/blkfront.c
index 834a978..7c8eb74 100644
--- a/blkfront.c
+++ b/blkfront.c
@@ -62,7 +62,7 @@ void blkfront_handler(evtchn_port_t port, struct pt_regs 
*regs, void *data)
     int fd = dev->fd;
 
     if (fd != -1)
-        files[fd].read = 1;
+        files[fd].read = true;
 #endif
     wake_up(&blkfront_queue);
 }
@@ -484,7 +484,7 @@ int blkfront_aio_poll(struct blkfront_dev *dev)
 moretodo:
 #ifdef HAVE_LIBC
     if (dev->fd != -1) {
-        files[dev->fd].read = 0;
+        files[dev->fd].read = false;
         mb(); /* Make sure to let the handler set read to 1 before we start 
looking at the ring */
     }
 #endif
diff --git a/console/xencons_ring.c b/console/xencons_ring.c
index b6db74e..c348f3c 100644
--- a/console/xencons_ring.c
+++ b/console/xencons_ring.c
@@ -102,7 +102,7 @@ void console_handle_input(evtchn_port_t port, struct 
pt_regs *regs, void *data)
         int fd = dev ? dev->fd : -1;
 
         if (fd != -1)
-            files[fd].read = 1;
+            files[fd].read = true;
 
         wake_up(&console_queue);
 #else
diff --git a/fbfront.c b/fbfront.c
index d3b3848..6725da1 100644
--- a/fbfront.c
+++ b/fbfront.c
@@ -45,7 +45,7 @@ void kbdfront_handler(evtchn_port_t port, struct pt_regs 
*regs, void *data)
     int fd = dev->fd;
 
     if (fd != -1)
-        files[fd].read = 1;
+        files[fd].read = true;
 #endif
     wake_up(&kbdfront_queue);
 }
@@ -207,7 +207,7 @@ int kbdfront_receive(struct kbdfront_dev *dev, union 
xenkbd_in_event *buf, int n
 
 #ifdef HAVE_LIBC
     if (dev->fd != -1) {
-        files[dev->fd].read = 0;
+        files[dev->fd].read = false;
         mb(); /* Make sure to let the handler set read to 1 before we start 
looking at the ring */
     }
 #endif
@@ -229,7 +229,7 @@ int kbdfront_receive(struct kbdfront_dev *dev, union 
xenkbd_in_event *buf, int n
 #ifdef HAVE_LIBC
     if (cons != prod && dev->fd != -1)
         /* still some events to read */
-        files[dev->fd].read = 1;
+        files[dev->fd].read = true;
 #endif
 
     return i;
@@ -349,7 +349,7 @@ void fbfront_handler(evtchn_port_t port, struct pt_regs 
*regs, void *data)
     int fd = dev->fd;
 
     if (fd != -1)
-        files[fd].read = 1;
+        files[fd].read = true;
 #endif
     wake_up(&fbfront_queue);
 }
@@ -376,7 +376,7 @@ int fbfront_receive(struct fbfront_dev *dev, union 
xenfb_in_event *buf, int n)
 
 #ifdef HAVE_LIBC
     if (dev->fd != -1) {
-        files[dev->fd].read = 0;
+        files[dev->fd].read = false;
         mb(); /* Make sure to let the handler set read to 1 before we start 
looking at the ring */
     }
 #endif
@@ -398,7 +398,7 @@ int fbfront_receive(struct fbfront_dev *dev, union 
xenfb_in_event *buf, int n)
 #ifdef HAVE_LIBC
     if (cons != prod && dev->fd != -1)
         /* still some events to read */
-        files[dev->fd].read = 1;
+        files[dev->fd].read = true;
 #endif
 
     return i;
diff --git a/include/lib.h b/include/lib.h
index a638bc9..df2de9e 100644
--- a/include/lib.h
+++ b/include/lib.h
@@ -49,6 +49,7 @@
 #define _LIB_H_
 
 #include <stdarg.h>
+#include <stdbool.h>
 #include <stddef.h>
 #include <xen/xen.h>
 #include <xen/event_channel.h>
@@ -183,6 +184,7 @@ struct evtchn_port_info {
 
 struct file {
     enum fd_type type;
+    bool read; /* maybe available for read */
     union {
        struct {
             /* lwIP fd */
@@ -235,7 +237,6 @@ struct file {
         } xenbus;
 #endif
     };
-    int read;  /* maybe available for read */
 };
 
 extern struct file files[];
diff --git a/netfront.c b/netfront.c
index dfe065b..a566e34 100644
--- a/netfront.c
+++ b/netfront.c
@@ -255,7 +255,7 @@ void netfront_select_handler(evtchn_port_t port, struct 
pt_regs *regs, void *dat
     local_irq_restore(flags);
 
     if (fd != -1)
-        files[fd].read = 1;
+        files[fd].read = true;
     wake_up(&netfront_queue);
 }
 #endif
@@ -783,7 +783,7 @@ ssize_t netfront_receive(struct netfront_dev *dev, unsigned 
char *data, size_t l
     network_rx(dev);
     if (!dev->rlen && fd != -1)
         /* No data for us, make select stop returning */
-        files[fd].read = 0;
+        files[fd].read = false;
     /* Before re-enabling the interrupts, in case a packet just arrived in the
      * meanwhile. */
     local_irq_restore(flags);
diff --git a/tpm_tis.c b/tpm_tis.c
index 475ac5d..4a51027 100644
--- a/tpm_tis.c
+++ b/tpm_tis.c
@@ -845,7 +845,7 @@ int tpm_tis_send(struct tpm_chip* tpm, uint8_t* buf, size_t 
len) {
    }
 #ifdef HAVE_LIBC
    if(tpm->fd >= 0) {
-      files[tpm->fd].read = 0;
+      files[tpm->fd].read = false;
       files[tpm->fd].tpm_tis.respgot = 0;
       files[tpm->fd].tpm_tis.offset = 0;
    }
diff --git a/tpmfront.c b/tpmfront.c
index 6049244..d825b49 100644
--- a/tpmfront.c
+++ b/tpmfront.c
@@ -66,7 +66,7 @@ void tpmfront_handler(evtchn_port_t port, struct pt_regs 
*regs, void *data) {
    dev->waiting = 0;
 #ifdef HAVE_LIBC
    if(dev->fd >= 0) {
-      files[dev->fd].read = 1;
+      files[dev->fd].read = true;
    }
 #endif
    wake_up(&dev->waitq);
@@ -438,7 +438,7 @@ int tpmfront_send(struct tpmfront_dev* dev, const uint8_t* 
msg, size_t length)
    dev->resplen = 0;
 #ifdef HAVE_LIBC
    if(dev->fd >= 0) {
-      files[dev->fd].read = 0;
+      files[dev->fd].read = false;
       files[dev->fd].tpmfront.respgot = 0;
       files[dev->fd].tpmfront.offset = 0;
    }
@@ -611,7 +611,7 @@ int tpmfront_posix_fstat(int fd, struct stat* buf)
 
    /* If we have a response waiting, then read it now from the backend
     * so we can get its length*/
-   if(dev->waiting || (files[dev->fd].read == 1 && 
!files[dev->fd].tpmfront.respgot)) {
+   if(dev->waiting || (files[dev->fd].read && 
!files[dev->fd].tpmfront.respgot)) {
       if ((rc = tpmfront_recv(dev, &dummybuf, &dummysz)) != 0) {
         errno = EIO;
         return -1;
-- 
2.26.2


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