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-rw-r--r--source3/lib/sock_exec.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/source3/lib/sock_exec.c b/source3/lib/sock_exec.c
index 203d7e93b3..278a174663 100644
--- a/source3/lib/sock_exec.c
+++ b/source3/lib/sock_exec.c
@@ -105,8 +105,12 @@ int sock_exec(const char *prog)
close(fd[0]);
close(0);
close(1);
- dup(fd[1]);
- dup(fd[1]);
+ if (dup(fd[1]) == -1) {
+ exit(1);
+ }
+ if (dup(fd[1]) == -1) {
+ exit(1);
+ }
exit(system(prog));
}
close(fd[1]);