Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* bug fixes for Win32 event loop
* bug fixes for -Wextra
* fix gdb XML for 32-bit x86
* improve error handling for module load

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# gpg: Signature made Sun 06 Nov 2022 03:48:55 EST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  accel: abort if we fail to load the accelerator plugin
  dmg: warn when opening dmg images containing blocks of unknown type
  module: add Error arguments to module_load and module_load_qom
  module: rename module_load_one to module_load
  module: removed unused function argument "mayfail"
  Add missing include statement for global xml_builtin
  meson: avoid unused arguments of main() in compiler tests
  Fix broken configure with -Wunused-parameter
  gdb-xml: Fix size of EFER register on i386 architecture when debugged by GDB
  util/aio-win32: Correct the event array size in aio_poll()
  util/main-loop: Avoid adding the same HANDLE twice
  util/main-loop: Fix maximum number of wait objects for win32

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 15 insertions, 5 deletions

diff --git a/block.c b/block.c
index 3bd594eb2a..c5e20c0bea 100644
--- a/block.c
+++ b/block.c
@@ -464,12 +464,18 @@ BlockDriver *bdrv_find_format(const char *format_name)
     /* The driver isn't registered, maybe we need to load a module */
     for (i = 0; i < (int)ARRAY_SIZE(block_driver_modules); ++i) {
         if (!strcmp(block_driver_modules[i].format_name, format_name)) {
-            block_module_load_one(block_driver_modules[i].library_name);
+            Error *local_err = NULL;
+            int rv = block_module_load(block_driver_modules[i].library_name,
+                                       &local_err);
+            if (rv > 0) {
+                return bdrv_do_find_format(format_name);
+            } else if (rv < 0) {
+                error_report_err(local_err);
+            }
             break;
         }
     }
-
-    return bdrv_do_find_format(format_name);
+    return NULL;
 }
 
 static int bdrv_format_is_whitelisted(const char *format_name, bool read_only)
@@ -981,12 +987,16 @@ BlockDriver *bdrv_find_protocol(const char *filename,
     for (i = 0; i < (int)ARRAY_SIZE(block_driver_modules); ++i) {
         if (block_driver_modules[i].protocol_name &&
             !strcmp(block_driver_modules[i].protocol_name, protocol)) {
-            block_module_load_one(block_driver_modules[i].library_name);
+            int rv = block_module_load(block_driver_modules[i].library_name, errp);
+            if (rv > 0) {
+                drv1 = bdrv_do_find_protocol(protocol);
+            } else if (rv < 0) {
+                return NULL;
+            }
             break;
         }
     }
 
-    drv1 = bdrv_do_find_protocol(protocol);
     if (!drv1) {
         error_setg(errp, "Unknown protocol '%s'", protocol);
     }