Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2018-10-22' into staging

Error reporting patches for 2018-10-22

# gpg: Signature made Mon 22 Oct 2018 13:20:23 BST
# gpg:                using RSA key 3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2018-10-22: (40 commits)
  error: Drop bogus "use error_setg() instead" admonitions
  vpc: Fail open on bad header checksum
  block: Clean up bdrv_img_create()'s error reporting
  vl: Simplify call of parse_name()
  vl: Fix exit status for -drive format=help
  blockdev: Convert drive_new() to Error
  vl: Assert drive_new() does not fail in default_drive()
  fsdev: Clean up error reporting in qemu_fsdev_add()
  spice: Clean up error reporting in add_channel()
  tpm: Clean up error reporting in tpm_init_tpmdev()
  numa: Clean up error reporting in parse_numa()
  vnc: Clean up error reporting in vnc_init_func()
  ui: Convert vnc_display_init(), init_keyboard_layout() to Error
  ui/keymaps: Fix handling of erroneous include files
  vl: Clean up error reporting in device_init_func()
  vl: Clean up error reporting in parse_fw_cfg()
  vl: Clean up error reporting in mon_init_func()
  vl: Clean up error reporting in machine_set_property()
  vl: Clean up error reporting in chardev_init_func()
  qom: Clean up error reporting in user_creatable_add_opts_foreach()
  ...

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

2 files changed, 14 insertions, 15 deletions

diff --git a/net/l2tpv3.c b/net/l2tpv3.c
index 6745b78990..81db24dc8c 100644
--- a/net/l2tpv3.c
+++ b/net/l2tpv3.c
@@ -28,6 +28,7 @@
 #include <netdb.h>
 #include "net/net.h"
 #include "clients.h"
+#include "qapi/error.h"
 #include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "qemu/option.h"
@@ -528,7 +529,6 @@ int net_init_l2tpv3(const Netdev *netdev,
                     const char *name,
                     NetClientState *peer, Error **errp)
 {
-    /* FIXME error_setg(errp, ...) on failure */
     const NetdevL2TPv3Options *l2tpv3;
     NetL2TPV3State *s;
     NetClientState *nc;
@@ -555,7 +555,7 @@ int net_init_l2tpv3(const Netdev *netdev,
     }
 
     if ((l2tpv3->has_offset) && (l2tpv3->offset > 256)) {
-        error_report("l2tpv3_open : offset must be less than 256 bytes");
+        error_setg(errp, "offset must be less than 256 bytes");
         goto outerr;
     }
 
@@ -563,6 +563,8 @@ int net_init_l2tpv3(const Netdev *netdev,
         if (l2tpv3->has_rxcookie && l2tpv3->has_txcookie) {
             s->cookie = true;
         } else {
+            error_setg(errp,
+                       "require both 'rxcookie' and 'txcookie' or neither");
             goto outerr;
         }
     } else {
@@ -578,7 +580,7 @@ int net_init_l2tpv3(const Netdev *netdev,
     if (l2tpv3->has_udp && l2tpv3->udp) {
         s->udp = true;
         if (!(l2tpv3->has_srcport && l2tpv3->has_dstport)) {
-            error_report("l2tpv3_open : need both src and dst port for udp");
+            error_setg(errp, "need both src and dst port for udp");
             goto outerr;
         } else {
             srcport = l2tpv3->srcport;
@@ -639,20 +641,19 @@ int net_init_l2tpv3(const Netdev *netdev,
     gairet = getaddrinfo(l2tpv3->src, srcport, &hints, &result);
 
     if ((gairet != 0) || (result == NULL)) {
-        error_report(
-            "l2tpv3_open : could not resolve src, errno = %s",
-            gai_strerror(gairet)
-        );
+        error_setg(errp, "could not resolve src, errno = %s",
+                   gai_strerror(gairet));
         goto outerr;
     }
     fd = socket(result->ai_family, result->ai_socktype, result->ai_protocol);
     if (fd == -1) {
         fd = -errno;
-        error_report("l2tpv3_open : socket creation failed, errno = %d", -fd);
+        error_setg(errp, "socket creation failed, errno = %d",
+                   -fd);
         goto outerr;
     }
     if (bind(fd, (struct sockaddr *) result->ai_addr, result->ai_addrlen)) {
-        error_report("l2tpv3_open :  could not bind socket err=%i", errno);
+        error_setg(errp, "could not bind socket err=%i", errno);
         goto outerr;
     }
     if (result) {
@@ -677,10 +678,8 @@ int net_init_l2tpv3(const Netdev *netdev,
     result = NULL;
     gairet = getaddrinfo(l2tpv3->dst, dstport, &hints, &result);
     if ((gairet != 0) || (result == NULL)) {
-        error_report(
-            "l2tpv3_open : could not resolve dst, error = %s",
-            gai_strerror(gairet)
-        );
+        error_setg(errp, "could not resolve dst, error = %s",
+                   gai_strerror(gairet));
         goto outerr;
     }
 
diff --git a/net/socket.c b/net/socket.c
index 6917fbcbf5..90ef3517be 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -453,8 +453,8 @@ static NetSocketState *net_socket_fd_init(NetClientState *peer,
     case SOCK_STREAM:
         return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
     default:
-        error_report("socket type=%d for fd=%d must be either"
-                     " SOCK_DGRAM or SOCK_STREAM", so_type, fd);
+        error_setg(errp, "socket type=%d for fd=%d must be either"
+                   " SOCK_DGRAM or SOCK_STREAM", so_type, fd);
         closesocket(fd);
     }
     return NULL;