Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pci, pc, virtio, misc bugfixes

A bunch of bugfixes.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Mon 29 Sep 2014 17:59:57 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
  vl: Adjust the place of calling mlockall to speedup VM's startup
  pc-dimm: Don't check dimm->node when there is non-NUMA config
  pci-hotplug-old: avoid losing error message
  Revert "virtio-pci: fix migration for pci bus master"
  loader: g_realloc(p, 0) frees and returns NULL, simplify

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 5 insertions, 10 deletions

diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h
index c6b5129..a517753 100644
--- a/include/hw/elf_ops.h
+++ b/include/hw/elf_ops.h
@@ -147,18 +147,13 @@ static int glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd, int must_swab,
         }
         i++;
     }
-    if (nsyms) {
-        syms = g_realloc(syms, nsyms * sizeof(*syms));
+    syms = g_realloc(syms, nsyms * sizeof(*syms));
 
-        qsort(syms, nsyms, sizeof(*syms), glue(symcmp, SZ));
-        for (i = 0; i < nsyms - 1; i++) {
-            if (syms[i].st_size == 0) {
-                syms[i].st_size = syms[i + 1].st_value - syms[i].st_value;
-            }
+    qsort(syms, nsyms, sizeof(*syms), glue(symcmp, SZ));
+    for (i = 0; i < nsyms - 1; i++) {
+        if (syms[i].st_size == 0) {
+            syms[i].st_size = syms[i + 1].st_value - syms[i].st_value;
         }
-    } else {
-        g_free(syms);
-        syms = NULL;
     }
 
     /* String table */