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Fix null derefence if attach is called without access to any tty

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Signed-off-by: Oliver Matthews <oliver@codersoffortune.net>
This commit is contained in:
Oliver Matthews
2016-09-25 09:37:43 +01:00
parent 0f73b621c4
commit b9a24c4f2f
1 changed files with 1 additions and 1 deletions
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2
src/lxc/tools/lxc_attach.c
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@@ -321,7 +321,7 @@ static int get_pty_on_host(struct lxc_container *c, struct wrapargs *wrap, int *
err3:
lxc_mainloop_close(&descr);
err2:
if (ts->sigfd != -1)
if (ts && ts->sigfd != -1)
lxc_console_sigwinch_fini(ts);
err1:
lxc_console_delete(&conf->console);