Coverity: Don't close fd_cwd if fd_cwd == -1.

[libguestfs.git] / daemon / guestfsd.c

diff --git a/daemon/guestfsd.c b/daemon/guestfsd.c
index e398b7d..e18ab31 100644 (file)
--- a/daemon/guestfsd.c
+++ b/daemon/guestfsd.c
@@ -142,6 +142,8 @@ main (int argc, char *argv[])
   int dont_fork = 0;
   char *cmdline;
 
+  ignore_value (chdir ("/"));
+
   if (winsock_init () == -1)
     error (EXIT_FAILURE, 0, "winsock initialization failed");
 
@@ -258,6 +260,7 @@ main (int argc, char *argv[])
              "output to the libguestfs developers, either in a bug report\n"
              "or on the libguestfs redhat com mailing list.\n"
              "\n");
+    perror ("/dev/virtio-ports/org.libguestfs.channel.0");
     exit (EXIT_FAILURE);
   }
 
@@ -270,8 +273,10 @@ main (int argc, char *argv[])
   xdrmem_create (&xdr, lenbuf, sizeof lenbuf, XDR_ENCODE);
   xdr_u_int (&xdr, &len);
 
-  if (xwrite (sock, lenbuf, sizeof lenbuf) == -1)
+  if (xwrite (sock, lenbuf, sizeof lenbuf) == -1) {
+    perror ("xwrite");
     exit (EXIT_FAILURE);
+  }
 
   xdr_destroy (&xdr);
 
@@ -689,6 +694,7 @@ commandrvf (char **stdoutput, char **stderror, int flags,
   }
 
   if (pid == 0) {              /* Child process running the command. */
+    signal (SIGPIPE, SIG_DFL);
     close (0);
     if (flag_copy_stdin) {
       dup2 (stdin_fd[0], 0);
@@ -777,9 +783,13 @@ commandrvf (char **stdoutput, char **stderror, int flags,
 
   quit = 0;
   while (quit < 2) {
+  again:
     rset2 = rset;
     r = select (MAX (so_fd[0], se_fd[0]) + 1, &rset2, NULL, NULL, NULL);
     if (r == -1) {
+      if (errno == EINTR)
+        goto again;
+
       perror ("select");
     quit:
       if (stdoutput) free (*stdoutput);
@@ -974,7 +984,8 @@ trim (char *str)
 }
 
 /* printf helper function so we can use %Q ("quoted") and %R to print
- * shell-quoted strings.  See HACKING file for more details.
+ * shell-quoted strings.  See guestfs(3)/EXTENDING LIBGUESTFS for more
+ * details.
  */
 static int
 print_shell_quote (FILE *stream,