Merge remote-tracking branch 'remotes/bonzini/fixes-for-2.0' into staging

* remotes/bonzini/fixes-for-2.0:
  vl.c: Output error on invalid machine type
  target-alpha: fix subl and s8subl indentation
  qemu-nbd: Fix coverity issues
  rules.mak: Fix per object libs extraction

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

qemu-nbd.c

@@ -288,19 +288,19 @@ static void *nbd_client_thread(void *arg)
     ret = nbd_receive_negotiate(sock, NULL, &nbdflags,
                                 &size, &blocksize);
     if (ret < 0) {
-        goto out;
+        goto out_socket;
     }
 
     fd = open(device, O_RDWR);
     if (fd < 0) {
         /* Linux-only, we can use %m in printf.  */
         fprintf(stderr, "Failed to open %s: %m", device);
-        goto out;
+        goto out_socket;
     }
 
     ret = nbd_init(fd, sock, nbdflags, size, blocksize);
     if (ret < 0) {
-        goto out;
+        goto out_fd;
     }
 
     /* update partition table */
@@ -316,12 +316,16 @@ static void *nbd_client_thread(void *arg)
 
     ret = nbd_client(fd);
     if (ret) {
-        goto out;
+        goto out_fd;
     }
     close(fd);
     kill(getpid(), SIGTERM);
     return (void *) EXIT_SUCCESS;
 
+out_fd:
+    close(fd);
+out_socket:
+    closesocket(sock);
 out:
     kill(getpid(), SIGTERM);
     return (void *) EXIT_FAILURE;
@@ -355,6 +359,11 @@ static void nbd_accept(void *opaque)
     socklen_t addr_len = sizeof(addr);
 
     int fd = accept(server_fd, (struct sockaddr *)&addr, &addr_len);
+    if (fd < 0) {
+        perror("accept");
+        return;
+    }
+
     if (state >= TERMINATE) {
         close(fd);
         return;

rules.mak

@@ -23,8 +23,8 @@ QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
 QEMU_INCLUDES += -I$(<D) -I$(@D)
 
 maybe-add = $(filter-out $1, $2) $1
-extract-libs = $(strip $(sort $(foreach o,$1,$($o-libs)) \
-                  $(foreach o,$(call expand-objs,$1),$($o-libs))))
+extract-libs = $(strip $(sort $(foreach o,$1,$($o-libs))) \
+                  $(foreach o,$(call expand-objs,$1),$($o-libs)))
 expand-objs = $(strip $(sort $(filter %.o,$1)) \
                   $(foreach o,$(filter %.mo,$1),$($o-objs)) \
                   $(filter-out %.o %.mo,$1))

target-alpha/translate.c

@@ -1929,6 +1929,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
                         tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
                     }
                 }
+            }
             break;
         case 0x0B:
             /* S4SUBL */
@@ -1991,7 +1992,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
                 } else {
                     if (islit)
                         tcg_gen_movi_i64(cpu_ir[rc], -lit);
-                    else
+                    else {
                         tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
                         tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
                     }

vl.c

@@ -2651,6 +2651,10 @@ static MachineClass *machine_parse(const char *name)
     if (mc) {
         return mc;
     }
+    if (name && !is_help_option(name)) {
+        error_report("Unsupported machine type");
+        error_printf("Use -machine help to list supported machines!\n");
+    } else {
         printf("Supported machines are:\n");
         for (el = machines; el; el = el->next) {
             MachineClass *mc = el->data;
@@ -2661,6 +2665,7 @@ static MachineClass *machine_parse(const char *name)
             printf("%-20s %s%s\n", m->name, m->desc,
                    m->is_default ? " (default)" : "");
         }
+    }
 
     g_slist_free(machines);
     exit(!name || !is_help_option(name));