pipecmd: fix fd leak.

[ccan] / ccan / pipecmd / pipecmd.c

diff --git a/ccan/pipecmd/pipecmd.c b/ccan/pipecmd/pipecmd.c
index 671d39198089b424f00e3f5041a7d79291ec55f8..c97fa312396dbb728e9cdceb6b795e21f6ee33da 100644 (file)
--- a/ccan/pipecmd/pipecmd.c
+++ b/ccan/pipecmd/pipecmd.c
@@ -101,10 +101,12 @@ pid_t pipecmdarr(int *fd_fromchild, int *fd_tochild, char *const *arr)
        close(execfail[1]);
        /* Child will close this without writing on successful exec. */
        if (read(execfail[0], &err, sizeof(err)) == sizeof(err)) {
+               close(execfail[0]);
                waitpid(childpid, NULL, 0);
                errno = err;
                return -1;
        }
+       close(execfail[0]);
        if (fd_tochild)
                *fd_tochild = tochild[1];
        if (fd_fromchild)