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From: Juergen Gross <jgross@suse.com>
To: xen-devel@lists.xen.org
Cc: George.Dunlap@eu.citrix.com, wei.liu2@citrix.com,
	ian.jackson@eu.citrix.com, Juergen Gross <jgross@suse.com>
Subject: [PATCH 3/6] libxl: dont pass array size to libxl__xs_kvs_of_flexarray()
Date: Thu,  8 Sep 2016 09:20:23 +0200	[thread overview]
Message-ID: <1473319226-27221-4-git-send-email-jgross@suse.com> (raw)
In-Reply-To: <1473319226-27221-1-git-send-email-jgross@suse.com>

Instead of passing the array size as an argument when calling
libxl__xs_kvs_of_flexarray() let the function get the size from the
array instead.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 tools/libxl/libxl.c          | 22 +++++++++++-----------
 tools/libxl/libxl_internal.h |  2 +-
 tools/libxl/libxl_nic.c      |  6 ++----
 tools/libxl/libxl_pci.c      |  7 +++----
 tools/libxl/libxl_usb.c      |  6 +++---
 tools/libxl/libxl_vtpm.c     |  6 ++----
 tools/libxl/libxl_xshelp.c   |  4 ++--
 7 files changed, 24 insertions(+), 29 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 577ed35..b7b8b08 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2315,8 +2315,8 @@ static void device_disk_add(libxl__egc *egc, uint32_t domid,
         }
 
         libxl__device_generic_add(gc, t, device,
-                                  libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                                  libxl__xs_kvs_of_flexarray(gc, front, front->count),
+                                  libxl__xs_kvs_of_flexarray(gc, back),
+                                  libxl__xs_kvs_of_flexarray(gc, front),
                                   NULL);
 
         rc = libxl__xs_transaction_commit(gc, &t);
@@ -2735,7 +2735,7 @@ int libxl_cdrom_insert(libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk,
             goto out;
         }
 
-        char **kvs = libxl__xs_kvs_of_flexarray(gc, empty, empty->count);
+        char **kvs = libxl__xs_kvs_of_flexarray(gc, empty);
 
         rc = libxl__xs_writev(gc, t, be_path, kvs);
         if (rc) goto out;
@@ -2777,7 +2777,7 @@ int libxl_cdrom_insert(libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk,
         rc = libxl__set_domain_configuration(gc, domid, &d_config);
         if (rc) goto out;
 
-        char **kvs = libxl__xs_kvs_of_flexarray(gc, insert, insert->count);
+        char **kvs = libxl__xs_kvs_of_flexarray(gc, insert);
 
         rc = libxl__xs_writev(gc, t, be_path, kvs);
         if (rc) goto out;
@@ -3147,9 +3147,9 @@ int libxl__device_console_add(libxl__gc *gc, uint32_t domid,
         flexarray_append(front, LIBXL_XENCONSOLE_PROTOCOL);
     }
     libxl__device_generic_add(gc, XBT_NULL, device,
-                              libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                              libxl__xs_kvs_of_flexarray(gc, front, front->count),
-                              libxl__xs_kvs_of_flexarray(gc, ro_front, ro_front->count));
+                              libxl__xs_kvs_of_flexarray(gc, back),
+                              libxl__xs_kvs_of_flexarray(gc, front),
+                              libxl__xs_kvs_of_flexarray(gc, ro_front));
     rc = 0;
 out:
     return rc;
@@ -3476,8 +3476,8 @@ int libxl__device_vkb_add(libxl__gc *gc, uint32_t domid,
     flexarray_append(front, GCSPRINTF("%d", XenbusStateInitialising));
 
     libxl__device_generic_add(gc, XBT_NULL, &device,
-                              libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                              libxl__xs_kvs_of_flexarray(gc, front, front->count),
+                              libxl__xs_kvs_of_flexarray(gc, back),
+                              libxl__xs_kvs_of_flexarray(gc, front),
                               NULL);
     rc = 0;
 out:
@@ -3589,8 +3589,8 @@ int libxl__device_vfb_add(libxl__gc *gc, uint32_t domid, libxl_device_vfb *vfb)
     flexarray_append_pair(front, "state", GCSPRINTF("%d", XenbusStateInitialising));
 
     libxl__device_generic_add(gc, XBT_NULL, &device,
-                              libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                              libxl__xs_kvs_of_flexarray(gc, front, front->count),
+                              libxl__xs_kvs_of_flexarray(gc, back),
+                              libxl__xs_kvs_of_flexarray(gc, front),
                               NULL);
     rc = 0;
 out:
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index ecbfdad..ec4fc23 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -676,7 +676,7 @@ _hidden int libxl__remove_directory(libxl__gc *gc, const char *path);
 _hidden int libxl__remove_file_or_directory(libxl__gc *gc, const char *path);
 
 
-_hidden char **libxl__xs_kvs_of_flexarray(libxl__gc *gc, flexarray_t *array, int length);
+_hidden char **libxl__xs_kvs_of_flexarray(libxl__gc *gc, flexarray_t *array);
 
 /* treats kvs as pairs of keys and values and writes each to dir. */
 _hidden int libxl__xs_writev(libxl__gc *gc, xs_transaction_t t,
diff --git a/tools/libxl/libxl_nic.c b/tools/libxl/libxl_nic.c
index d1caa90..220a028 100644
--- a/tools/libxl/libxl_nic.c
+++ b/tools/libxl/libxl_nic.c
@@ -266,10 +266,8 @@ static void libxl__device_nic_add(libxl__egc *egc, uint32_t domid,
         }
 
         libxl__device_generic_add(gc, t, device,
-                                  libxl__xs_kvs_of_flexarray(gc, back,
-                                                             back->count),
-                                  libxl__xs_kvs_of_flexarray(gc, front,
-                                                             front->count),
+                                  libxl__xs_kvs_of_flexarray(gc, back),
+                                  libxl__xs_kvs_of_flexarray(gc, front),
                                   NULL);
 
         rc = libxl__xs_transaction_commit(gc, &t);
diff --git a/tools/libxl/libxl_pci.c b/tools/libxl/libxl_pci.c
index 22398a4..6f8f49c 100644
--- a/tools/libxl/libxl_pci.c
+++ b/tools/libxl/libxl_pci.c
@@ -104,8 +104,8 @@ int libxl__create_pci_backend(libxl__gc *gc, uint32_t domid,
     flexarray_append_pair(front, "state", GCSPRINTF("%d", XenbusStateInitialising));
 
     return libxl__device_generic_add(gc, XBT_NULL, &device,
-                                     libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                                     libxl__xs_kvs_of_flexarray(gc, front, front->count),
+                                     libxl__xs_kvs_of_flexarray(gc, back),
+                                     libxl__xs_kvs_of_flexarray(gc, front),
                                      NULL);
 }
 
@@ -172,8 +172,7 @@ static int libxl__device_pci_add_xenstore(libxl__gc *gc, uint32_t domid, libxl_d
         rc = libxl__set_domain_configuration(gc, domid, &d_config);
         if (rc) goto out;
 
-        libxl__xs_writev(gc, t, be_path,
-                         libxl__xs_kvs_of_flexarray(gc, back, back->count));
+        libxl__xs_writev(gc, t, be_path, libxl__xs_kvs_of_flexarray(gc, back));
 
         rc = libxl__xs_transaction_commit(gc, &t);
         if (!rc) break;
diff --git a/tools/libxl/libxl_usb.c b/tools/libxl/libxl_usb.c
index 75f7b8b..6b30e0f 100644
--- a/tools/libxl/libxl_usb.c
+++ b/tools/libxl/libxl_usb.c
@@ -177,9 +177,9 @@ static int libxl__device_usbctrl_add_xenstore(libxl__gc *gc, uint32_t domid,
         }
 
         libxl__device_generic_add(gc, t, device,
-                          libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                          libxl__xs_kvs_of_flexarray(gc, front, front->count),
-                          NULL);
+                                  libxl__xs_kvs_of_flexarray(gc, back),
+                                  libxl__xs_kvs_of_flexarray(gc, front),
+                                  NULL);
 
         rc = libxl__xs_transaction_commit(gc, &t);
         if (!rc) break;
diff --git a/tools/libxl/libxl_vtpm.c b/tools/libxl/libxl_vtpm.c
index 29a0817..8588569 100644
--- a/tools/libxl/libxl_vtpm.c
+++ b/tools/libxl/libxl_vtpm.c
@@ -141,10 +141,8 @@ static void libxl__device_vtpm_add(libxl__egc *egc, uint32_t domid,
         }
 
         libxl__device_generic_add(gc, t, device,
-                                  libxl__xs_kvs_of_flexarray(gc, back,
-                                                             back->count),
-                                  libxl__xs_kvs_of_flexarray(gc, front,
-                                                             front->count),
+                                  libxl__xs_kvs_of_flexarray(gc, back),
+                                  libxl__xs_kvs_of_flexarray(gc, front),
                                   NULL);
 
         rc = libxl__xs_transaction_commit(gc, &t);
diff --git a/tools/libxl/libxl_xshelp.c b/tools/libxl/libxl_xshelp.c
index e1412a6..4982b52 100644
--- a/tools/libxl/libxl_xshelp.c
+++ b/tools/libxl/libxl_xshelp.c
@@ -17,10 +17,10 @@
 
 #include "libxl_internal.h"
 
-char **libxl__xs_kvs_of_flexarray(libxl__gc *gc, flexarray_t *array, int length)
+char **libxl__xs_kvs_of_flexarray(libxl__gc *gc, flexarray_t *array)
 {
     char **kvs;
-    int i;
+    int i, length = array->count;
 
     if (!length)
         return NULL;
-- 
2.6.6


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  parent reply	other threads:[~2016-09-08  7:20 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-08  7:20 [PATCH 0/6] libxl: add HVM USB passthrough capability Juergen Gross
2016-09-08  7:20 ` [PATCH 1/6] libxl: rename libcl_pvusb.c to libxl_usb.c Juergen Gross
2016-09-09 10:00   ` Wei Liu
2016-09-08  7:20 ` [PATCH 2/6] libxl: add libxl__qmp_run_command_flexarray() function Juergen Gross
2016-09-09 10:00   ` Wei Liu
2016-09-08  7:20 ` Juergen Gross [this message]
2016-09-09 10:00   ` [PATCH 3/6] libxl: dont pass array size to libxl__xs_kvs_of_flexarray() Wei Liu
2016-09-12  9:18     ` Wei Liu
2016-09-08  7:20 ` [PATCH 4/6] libxl: add basic support for devices without backend Juergen Gross
2016-09-15 15:17   ` Wei Liu
2016-09-08  7:20 ` [PATCH 5/6] libxl: add HVM usb passthrough support Juergen Gross
2016-09-09 10:00   ` Wei Liu
2016-09-09 10:13     ` Juergen Gross
2016-09-15 14:22       ` Wei Liu
2016-09-12  8:51     ` George Dunlap
2016-09-15 15:38   ` Wei Liu
2016-09-16  8:51     ` Juergen Groß
2016-09-16 11:28       ` Wei Liu
2016-09-08  7:20 ` [PATCH 6/6] docs: add HVM USB passthrough documentation Juergen Gross
2016-09-15 15:38   ` Wei Liu

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