commit 50d3eeae384382671952bc40e00a58f5ab00fed0
author ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> Mon Mar 19 16:36:43 2007 +0000
committer ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> Mon Mar 19 16:36:43 2007 +0000
tree fe47721cf7cc404c410acf2d99dc9a6c337b08b3
parent 93815bc280744c05abab9501eeb53edd01190e1b

Close file descriptors when execing network tap setup script, by
Daniel P. Berrange.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2507 c046a42c-6fe2-441c-8c8c-71466251a162

vl.c

diff --git a/vl.c b/vl.c
index e77ed41..f368d9b 100644
--- a/vl.c
+++ b/vl.c
@@ -3621,6 +3621,14 @@
         pid = fork();
         if (pid >= 0) {
             if (pid == 0) {
+                int open_max = sysconf (_SC_OPEN_MAX), i;
+                for (i = 0; i < open_max; i++)
+                    if (i != STDIN_FILENO &&
+                        i != STDOUT_FILENO &&
+                        i != STDERR_FILENO &&
+                        i != fd)
+                        close(i);
+
                 parg = args;
                 *parg++ = (char *)setup_script;
                 *parg++ = ifname;