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-rw-r--r--net/tap.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/net/tap.c b/net/tap.c
index 8847ce100a..fc1b865e08 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -367,11 +367,8 @@ static int launch_script(const char *setup_script, const char *ifname, int fd)
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) {
+ for (i = 3; i < open_max; i++) {
+ if (i != fd) {
close(i);
}
}
@@ -452,11 +449,8 @@ static int net_bridge_run_helper(const char *helper, const char *bridge)
char br_buf[6+IFNAMSIZ] = {0};
char helper_cmd[PATH_MAX + sizeof(fd_buf) + sizeof(br_buf) + 15];
- for (i = 0; i < open_max; i++) {
- if (i != STDIN_FILENO &&
- i != STDOUT_FILENO &&
- i != STDERR_FILENO &&
- i != sv[1]) {
+ for (i = 3; i < open_max; i++) {
+ if (i != sv[1]) {
close(i);
}
}