[Xen-changelog] [xen staging] libxl_usb: Fix libxl_device_usbctrl_getinfo

[patchbot@xxxxxxx]

commit 3bf9b8fde811c965b425d621d2651434a95cfe4a
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Thu Jun 13 16:37:04 2019 +0100
Commit:     Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
CommitDate: Fri Sep 20 10:41:01 2019 +0100

    libxl_usb: Fix libxl_device_usbctrl_getinfo
    
    `usbctrl' is modified in this function which doesn't seems to be
    intended, and usbctrlinfo.backend_id was never modified.
    
    Take this opportunity to consify the argument `usbctrl' in libxl API
    to avoid similar mistake.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxl/libxl.h     | 2 +-
 tools/libxl/libxl_usb.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index d2969afcc2..840c20dff8 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -1969,7 +1969,7 @@ void libxl_device_usbctrl_list_free(libxl_device_usbctrl 
*list, int nr);
 
 
 int libxl_device_usbctrl_getinfo(libxl_ctx *ctx, uint32_t domid,
-                                 libxl_device_usbctrl *usbctrl,
+                                 const libxl_device_usbctrl *usbctrl,
                                  libxl_usbctrlinfo *usbctrlinfo);
 
 /* USB Devices */
diff --git a/tools/libxl/libxl_usb.c b/tools/libxl/libxl_usb.c
index 9f72857d87..174f0807b1 100644
--- a/tools/libxl/libxl_usb.c
+++ b/tools/libxl/libxl_usb.c
@@ -639,7 +639,7 @@ out:
 }
 
 int libxl_device_usbctrl_getinfo(libxl_ctx *ctx, uint32_t domid,
-                                 libxl_device_usbctrl *usbctrl,
+                                 const libxl_device_usbctrl *usbctrl,
                                  libxl_usbctrlinfo *usbctrlinfo)
 {
     GC_INIT(ctx);
@@ -676,7 +676,7 @@ int libxl_device_usbctrl_getinfo(libxl_ctx *ctx, uint32_t 
domid,
         be_path = READ_SUBPATH(libxl_path, "backend");
         usbctrlinfo->backend = libxl__strdup(NOGC, be_path);
         rc = libxl__backendpath_parse_domid(gc, be_path,
-                                            &usbctrl->backend_domid);
+                                            &usbctrlinfo->backend_id);
         if (rc) goto out;
         usbctrlinfo->state = READ_SUBPATH_INT(fe_path, "state");
         usbctrlinfo->evtch = READ_SUBPATH_INT(fe_path, "event-channel");
@@ -689,7 +689,7 @@ int libxl_device_usbctrl_getinfo(libxl_ctx *ctx, uint32_t 
domid,
     } else {
         usbctrlinfo->ports = READ_SUBPATH_INT(libxl_path, "num-ports");
         usbctrlinfo->version = READ_SUBPATH_INT(libxl_path, "usb-ver");
-        rc = libxl__get_domid(gc, &usbctrl->backend_domid);
+        rc = libxl__get_domid(gc, &usbctrlinfo->backend_id);
         if (rc) goto out;
     }
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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