commit 0fac4c8109e23b5363fea3366e35ba17d9f7ea79
author Konstantin Belousov <kib@freebsd.org> Mon Apr 23 13:51:53 2012 +0300
committer Arun Sharma <asharma@fb.com> Mon May 14 23:07:51 2012 -0700
tree f4af859960113bcd5022635e3831ce48cd173fa5
parent 69e300e8f6f5e9b136a70d5f3ca80fb8deac6666

freebsd: Consistently use symbolic name UNW_EUNSPEC for errors

src/os-freebsd.c

diff --git a/src/os-freebsd.c b/src/os-freebsd.c
index aa786da..da6ce37 100644
--- a/src/os-freebsd.c
+++ b/src/os-freebsd.c
@@ -69,14 +69,14 @@
   len1 = len * 4 / 3;
   buf = get_mem(len1);
   if (buf == NULL)
-    return (-1);
+    return (-UNW_EUNSPEC);
   len = len1;
   error = sysctl(mib, 4, buf, &len, NULL, 0);
-  if (error) {
+  if (error == -1) {
     free_mem(buf, len1);
-    return (-1);
+    return (-UNW_EUNSPEC);
   }
-  ret = -1;
+  ret = -UNW_EUNSPEC;
   for (bp = buf, eb = buf + len; bp < eb; bp += kv->kve_structsize) {
      kv = (struct kinfo_vmentry *)(uintptr_t)bp;
      if (ip < kv->kve_start || ip >= kv->kve_end)