path: root/net/dccp/proto.c
diff options
authorPeter Oskolkov <posk@google.com>2018-12-24 12:57:17 -0800
committerDavid S. Miller <davem@davemloft.net>2018-12-24 15:27:56 -0800
commitc92c81df93df95dafbf6926613ce0b436227b007 (patch)
treece78a0a0ef1f8601e4c819a77c214cc9bea381c7 /net/dccp/proto.c
parentdrivers/net: appletalk/cops: remove redundant if statement and mask (diff)
net: dccp: fix kernel crash on module load
Patch eedbbb0d98b2 "net: dccp: initialize (addr,port) ..." added calling to inet_hashinfo2_init() from dccp_init(). However, inet_hashinfo2_init() is marked as __init(), and thus the kernel panics when dccp is loaded as module. Removing __init() tag from inet_hashinfo2_init() is not feasible because it calls into __init functions in mm. This patch adds inet_hashinfo2_init_mod() function that can be called after the init phase is done; changes dccp_init() to call the new function; un-marks inet_hashinfo2_init() as exported. Fixes: eedbbb0d98b2 ("net: dccp: initialize (addr,port) ...") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/proto.c')
1 files changed, 4 insertions, 4 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index be0b223aa862..2cc5fbb1b29e 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1139,11 +1139,11 @@ static int __init dccp_init(void)
rc = percpu_counter_init(&dccp_orphan_count, 0, GFP_KERNEL);
if (rc)
goto out_fail;
- rc = -ENOBUFS;
- inet_hashinfo2_init(&dccp_hashinfo, "dccp_listen_portaddr_hash",
- INET_LHTABLE_SIZE, 21, /* one slot per 2 MB*/
- 0, 64 * 1024);
+ rc = inet_hashinfo2_init_mod(&dccp_hashinfo);
+ if (rc)
+ goto out_fail;
+ rc = -ENOBUFS;
dccp_hashinfo.bind_bucket_cachep =
sizeof(struct inet_bind_bucket), 0,