vfio-pci: Fix missing unparent of dynamically allocated MemoryRegion

[mirror_qemu.git] / qemu-nbd.c

diff --git a/qemu-nbd.c b/qemu-nbd.c
index fa603382d4ee28dd871f80b28194b5c9b0d21cc1..d222512412f52dce681fc9db833287d3c8fcd14d 100644 (file)
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -17,7 +17,7 @@
  */
 
 #include "qemu-common.h"
-#include "block/block.h"
+#include "sysemu/block-backend.h"
 #include "block/block_int.h"
 #include "block/nbd.h"
 #include "qemu/main-loop.h"
@@ -146,7 +146,7 @@ static void read_partition(uint8_t *p, struct partition_record *r)
     r->nb_sectors_abs = p[12] | p[13] << 8 | p[14] << 16 | p[15] << 24;
 }
 
-static int find_partition(BlockDriverState *bs, int partition,
+static int find_partition(BlockBackend *blk, int partition,
                           off_t *offset, off_t *size)
 {
     struct partition_record mbr[4];
@@ -155,7 +155,7 @@ static int find_partition(BlockDriverState *bs, int partition,
     int ext_partnum = 4;
     int ret;
 
-    if ((ret = bdrv_read(bs, 0, data, 1)) < 0) {
+    if ((ret = blk_read(blk, 0, data, 1)) < 0) {
         errno = -ret;
         err(EXIT_FAILURE, "error while reading");
     }
@@ -175,7 +175,7 @@ static int find_partition(BlockDriverState *bs, int partition,
             uint8_t data1[512];
             int j;
 
-            if ((ret = bdrv_read(bs, mbr[i].start_sector_abs, data1, 1)) < 0) {
+            if ((ret = blk_read(blk, mbr[i].start_sector_abs, data1, 1)) < 0) {
                 errno = -ret;
                 err(EXIT_FAILURE, "error while reading");
             }
@@ -384,6 +384,7 @@ static void nbd_accept(void *opaque)
 
 int main(int argc, char **argv)
 {
+    BlockBackend *blk;
     BlockDriverState *bs;
     BlockDriver *drv;
     off_t dev_offset = 0;
@@ -691,7 +692,8 @@ int main(int argc, char **argv)
         drv = NULL;
     }
 
-    bs = bdrv_new("hda", &error_abort);
+    blk = blk_new_with_bs("hda", &error_abort);
+    bs = blk_bs(blk);
 
     srcpath = argv[optind];
     ret = bdrv_open(&bs, srcpath, NULL, NULL, flags, drv, &local_err);
@@ -718,17 +720,17 @@ int main(int argc, char **argv)
     }
 
     bs->detect_zeroes = detect_zeroes;
-    fd_size = bdrv_getlength(bs);
+    fd_size = blk_getlength(blk);
 
     if (partition != -1) {
-        ret = find_partition(bs, partition, &dev_offset, &fd_size);
+        ret = find_partition(blk, partition, &dev_offset, &fd_size);
         if (ret < 0) {
             errno = -ret;
             err(EXIT_FAILURE, "Could not find partition %d", partition);
         }
     }
 
-    exp = nbd_export_new(bs, dev_offset, fd_size, nbdflags, nbd_export_closed);
+    exp = nbd_export_new(blk, dev_offset, fd_size, nbdflags, nbd_export_closed);
 
     if (sockpath) {
         fd = unix_socket_incoming(sockpath);
@@ -773,14 +775,12 @@ int main(int argc, char **argv)
         }
     } while (state != TERMINATED);
 
-    bdrv_unref(bs);
+    blk_unref(blk);
     if (sockpath) {
         unlink(sockpath);
     }
 
-    if (sn_opts) {
-        qemu_opts_del(sn_opts);
-    }
+    qemu_opts_del(sn_opts);
 
     if (device) {
         void *ret;