ocfs2: avoid possible NULL pointer dereference in o2net_accept_one()
authorJoseph Qi <joseph.qi@huawei.com>
Wed, 11 Sep 2013 21:20:01 +0000 (14:20 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Sep 2013 22:56:50 +0000 (15:56 -0700)
commit03dbe88aa9cd0d7b0a876b38bd75ce73b4522454
tree2adc8eb4f283cc2ffa3f6903e074f634c3f4a78f
parent9a239e4c68df78888f67b1d4e7d507e24ac6764f
ocfs2: avoid possible NULL pointer dereference in o2net_accept_one()

Since o2nm_get_node_by_num() may return NULL, we add this check in
o2net_accept_one() to avoid possible NULL pointer dereference.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/ocfs2/cluster/tcp.c