block: Drop errp parameter from blk_new()

blk_new() cannot fail so its Error ** parameter has become superfluous.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/block-backend.c b/block/block-backend.c
index bc1f07135412d4c7eeb25c28bb3583f692507f64..4e8298b291b12d22fed140dcd1ef2344d0ef97e1 100644 (file)
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -119,7 +119,7 @@ static const BdrvChildRole child_root = {
  * Store an error through @errp on failure, unless it's null.
  * Return the new BlockBackend on success, null on failure.
  */
-BlockBackend *blk_new(Error **errp)
+BlockBackend *blk_new(void)
 {
     BlockBackend *blk;
 
@@ -153,12 +153,7 @@ BlockBackend *blk_new_open(const char *filename, const char *reference,
     BlockBackend *blk;
     BlockDriverState *bs;
 
-    blk = blk_new(errp);
-    if (!blk) {
-        QDECREF(options);
-        return NULL;
-    }
-
+    blk = blk_new();
     bs = bdrv_open(filename, reference, options, flags, errp);
     if (!bs) {
         blk_unref(blk);

diff --git a/blockdev.c b/blockdev.c
index 7d4a1ba1a697f81b2276dccb6e70fad8fe06de67..af0b022e6f7c666b9f6a2d346ebfa983d09e5d25 100644 (file)
--- a/blockdev.c
+++ b/blockdev.c
@@ -567,11 +567,7 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
     if ((!file || !*file) && !qdict_size(bs_opts)) {
         BlockBackendRootState *blk_rs;
 
-        blk = blk_new(errp);
-        if (!blk) {
-            goto early_err;
-        }
-
+        blk = blk_new();
         blk_rs = blk_get_root_state(blk);
         blk_rs->open_flags    = bdrv_flags;
         blk_rs->read_only     = !(bdrv_flags & BDRV_O_RDWR);

diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index d0db3c381ac8b8700304d3ff51cd6bbc7988d699..9d6615cbf7b1a183304fcfeae56fce5595ca553e 100644 (file)
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -78,7 +78,7 @@ typedef struct BlockBackendPublic {
     QLIST_ENTRY(BlockBackendPublic) round_robin;
 } BlockBackendPublic;
 
-BlockBackend *blk_new(Error **errp);
+BlockBackend *blk_new(void);
 BlockBackend *blk_new_open(const char *filename, const char *reference,
                            QDict *options, int flags, Error **errp);
 int blk_get_refcnt(BlockBackend *blk);

diff --git a/tests/test-throttle.c b/tests/test-throttle.c
index d7fb0a64514a04840a04210c735ec279244a23eb..c02be805f78e6c54b618386989b94d1247b0eb2d 100644 (file)
--- a/tests/test-throttle.c
+++ b/tests/test-throttle.c
@@ -578,9 +578,9 @@ static void test_groups(void)
     BlockBackend *blk1, *blk2, *blk3;
     BlockBackendPublic *blkp1, *blkp2, *blkp3;
 
-    blk1 = blk_new(&error_abort);
-    blk2 = blk_new(&error_abort);
-    blk3 = blk_new(&error_abort);
+    blk1 = blk_new();
+    blk2 = blk_new();
+    blk3 = blk_new();
 
     blkp1 = blk_get_public(blk1);
     blkp2 = blk_get_public(blk2);