Merge remote-tracking branch 'stefanha/trivial-patches' into staging

* stefanha/trivial-patches:
  w32: Always use standard instead of native format strings
  net/socket: Fix compiler warning (regression for MinGW)
  linux-user: Remove redundant null check and replace free by g_free
  qemu-timer: simplify qemu_run_timers
  TextConsole: saturate escape parameter in TTY_STATE_CSI
  curses: don't initialize curses when qemu is daemonized
  dtrace backend: add function to reserved words
  pflash_cfi01: Fix warning caused by unreachable code
  ioh3420: Remove unreachable code
  lm4549: Fix buffer overflow
  cadence_uart: Fix buffer overflow
  qemu-sockets: Fix potential memory leak
  qemu-ga: Remove unreachable code after g_error
  target-i386: Allow tsc-frequency to be larger then 2.147G

compiler.h

@@ -44,6 +44,11 @@
    /* Use gnu_printf when supported (qemu uses standard format strings). */
 #  define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2)))
 #  define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
+#  if defined(_WIN32)
+    /* Map __printf__ to __gnu_printf__ because we want standard format strings
+     * even when MinGW or GLib include files use __printf__. */
+#   define __printf__ __gnu_printf__
+#  endif
 # endif
 #if defined(_WIN32)
 #define GCC_WEAK __attribute__((weak))

console.c

@@ -938,8 +938,11 @@ static void console_putchar(TextConsole *s, int ch)
     case TTY_STATE_CSI: /* handle escape sequence parameters */
         if (ch >= '0' && ch <= '9') {
             if (s->nb_esc_params < MAX_ESC_PARAMS) {
-                s->esc_params[s->nb_esc_params] =
-                    s->esc_params[s->nb_esc_params] * 10 + ch - '0';
+                int *param = &s->esc_params[s->nb_esc_params];
+                int digit = (ch - '0');
+
+                *param = (*param <= (INT_MAX - digit) / 10) ?
+                         *param * 10 + digit : INT_MAX;
             }
         } else {
             if (s->nb_esc_params < MAX_ESC_PARAMS)

hw/cadence_uart.c

@@ -404,7 +404,7 @@ static uint64_t uart_read(void *opaque, target_phys_addr_t offset,
     uint32_t c = 0;
 
     offset >>= 2;
-    if (offset > R_MAX) {
+    if (offset >= R_MAX) {
         return 0;
     } else if (offset == R_TX_RX) {
         uart_read_rx_fifo(s, &c);

hw/ioh3420.c

@@ -125,7 +125,6 @@ static int ioh3420_initfn(PCIDevice *d)
     rc = pcie_chassis_add_slot(s);
     if (rc < 0) {
         goto err_pcie_cap;
-        return rc;
     }
     pcie_cap_root_init(d);
     rc = pcie_aer_init(d, IOH_EP_AER_OFFSET);

hw/lm4549.c

@@ -224,7 +224,7 @@ uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right)
        This model supports 16-bit playback.
     */
 
-    if (s->buffer_level >= LM4549_BUFFER_SIZE) {
+    if (s->buffer_level > LM4549_BUFFER_SIZE - 2) {
         DPRINTF("write_sample Buffer full\n");
         return 0;
     }

hw/pflash_cfi01.c

@@ -321,7 +321,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset,
         }
         pfl->wcycle++;
         pfl->cmd = cmd;
-        return;
+        break;
     case 1:
         switch (pfl->cmd) {
         case 0x10: /* Single Byte Program */
@@ -376,7 +376,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset,
         default:
             goto error_flash;
         }
-        return;
+        break;
     case 2:
         switch (pfl->cmd) {
         case 0xe8: /* Block write */
@@ -407,7 +407,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset,
         default:
             goto error_flash;
         }
-        return;
+        break;
     case 3: /* Confirm mode */
         switch (pfl->cmd) {
         case 0xe8: /* Block write */
@@ -423,7 +423,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset,
         default:
             goto error_flash;
         }
-        return;
+        break;
     default:
         /* Should never happen */
         DPRINTF("%s: invalid write state\n",  __func__);

linux-user/syscall.c

@@ -3628,9 +3628,7 @@ static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
         unlock_user(argptr, arg, target_size);
     }
 out:
-    if (big_buf) {
-        free(big_buf);
-    }
+    g_free(big_buf);
     return ret;
 }
 

net/socket.c

@@ -131,9 +131,9 @@ static ssize_t net_socket_receive_dgram(NetClientState *nc, const uint8_t *buf,
     ssize_t ret;
 
     do {
-        ret = sendto(s->fd, buf, size, 0,
-                     (struct sockaddr *)&s->dgram_dst,
-                     sizeof(s->dgram_dst));
+        ret = qemu_sendto(s->fd, buf, size, 0,
+                          (struct sockaddr *)&s->dgram_dst,
+                          sizeof(s->dgram_dst));
     } while (ret == -1 && errno == EINTR);
 
     if (ret == -1 && errno == EAGAIN) {

os-posix.c

@@ -360,3 +360,8 @@ int qemu_create_pidfile(const char *filename)
     /* keep pidfile open & locked forever */
     return 0;
 }
+
+bool is_daemonized(void)
+{
+    return daemonize;
+}

qemu-common.h

@@ -223,9 +223,14 @@ int qemu_pipe(int pipefd[2]);
 #endif
 
 #ifdef _WIN32
+/* MinGW needs a type cast for the 'buf' argument. */
 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
+#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
+    sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen)
 #else
 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
+#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
+    sendto(sockfd, buf, len, flags, destaddr, addrlen)
 #endif
 
 /* Error handling.  */

qemu-ga.c

@@ -114,12 +114,10 @@ static gboolean register_signal_handlers(void)
     ret = sigaction(SIGINT, &sigact, NULL);
     if (ret == -1) {
         g_error("error configuring signal handler: %s", strerror(errno));
-        return false;
     }
     ret = sigaction(SIGTERM, &sigact, NULL);
     if (ret == -1) {
         g_error("error configuring signal handler: %s", strerror(errno));
-        return false;
     }
 
     return true;

qemu-os-posix.h

@@ -46,4 +46,6 @@ typedef struct timeval qemu_timeval;
 typedef struct timespec qemu_timespec;
 int qemu_utimens(const char *path, const qemu_timespec *times);
 
+bool is_daemonized(void);
+
 #endif

qemu-os-win32.h

@@ -92,4 +92,9 @@ typedef struct {
 } qemu_timeval;
 int qemu_gettimeofday(qemu_timeval *tp);
 
+static inline bool is_daemonized(void)
+{
+    return false;
+}
+
 #endif

qemu-sockets.c

@@ -353,7 +353,7 @@ int inet_dgram_opts(QemuOpts *opts)
     if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) {
         fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
                 gai_strerror(rc));
-        return -1;
+        goto err;
     }
 
     /* create socket */

qemu-timer.c

@@ -372,21 +372,20 @@ bool qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
 
 void qemu_run_timers(QEMUClock *clock)
 {
-    QEMUTimer **ptimer_head, *ts;
+    QEMUTimer *ts;
     int64_t current_time;
    
     if (!clock->enabled)
         return;
 
     current_time = qemu_get_clock_ns(clock);
-    ptimer_head = &clock->active_timers;
     for(;;) {
-        ts = *ptimer_head;
+        ts = clock->active_timers;
         if (!qemu_timer_expired_ns(ts, current_time)) {
             break;
         }
         /* remove timer from the list before calling the callback */
-        *ptimer_head = ts->next;
+        clock->active_timers = ts->next;
         ts->next = NULL;
 
         /* run the callback (the timer list can be modified) */

scripts/tracetool/backend/dtrace.py

@@ -87,7 +87,7 @@ def stap(events):
         if len(e.args) > 0:
             for name in e.args.names():
                 # Append underscore to reserved keywords
-                if name in ('limit', 'in', 'next', 'self'):
+                if name in ('limit', 'in', 'next', 'self', 'function'):
                     name += '_'
                 out('  %s = $arg%d;' % (name, i))
                 i += 1

target-i386/cpu.c

@@ -1064,7 +1064,7 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
 {
     X86CPU *cpu = X86_CPU(obj);
     const int64_t min = 0;
-    const int64_t max = INT_MAX;
+    const int64_t max = INT64_MAX;
     int64_t value;
 
     visit_type_int(v, &value, name, errp);

vl.c

@@ -3657,7 +3657,9 @@ int main(int argc, char **argv, char **envp)
         break;
 #if defined(CONFIG_CURSES)
     case DT_CURSES:
-        curses_display_init(ds, full_screen);
+        if (!is_daemonized()) {
+            curses_display_init(ds, full_screen);
+        }
         break;
 #endif
 #if defined(CONFIG_SDL)