196f4755cc
[ Upstream commit 5903f594935a3841137c86b9d5b75143a5b7121c ]
When pppol2tp_session_ioctl() is called by pppol2tp_tunnel_ioctl(),
the session may be unconnected. That is, it was created by
pppol2tp_session_create() and hasn't been connected with
pppol2tp_connect(). In this case, ps->sock is NULL, so we need to check
for this case in order to avoid dereferencing a NULL pointer.
Fixes:
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|---|---|---|
| .. | ||
| Kconfig | ||
| l2tp_core.c | ||
| l2tp_core.h | ||
| l2tp_debugfs.c | ||
| l2tp_eth.c | ||
| l2tp_ip.c | ||
| l2tp_ip6.c | ||
| l2tp_netlink.c | ||
| l2tp_ppp.c | ||
| Makefile | ||