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| author | Dave Airlie <airlied@redhat.com> | 2015-08-17 14:13:53 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-08-17 14:13:53 +1000 |
| commit | 4eebf60b7452fbd551fd7dece855ba7825a49cbc (patch) | |
| tree | 490b4d194ba09c90e10201ab7fc084a0bda0ed27 /net/core/request_sock.c | |
| parent | 8f9cb50789e76f3e224e8861adf650e55c747af4 (diff) | |
| parent | 2c6625cd545bdd66acff14f3394865d43920a5c7 (diff) | |
| download | linux-stable-4eebf60b7452fbd551fd7dece855ba7825a49cbc.tar.gz linux-stable-4eebf60b7452fbd551fd7dece855ba7825a49cbc.tar.bz2 linux-stable-4eebf60b7452fbd551fd7dece855ba7825a49cbc.zip | |
Merge tag 'v4.2-rc7' into drm-next
Linux 4.2-rc7
Backmerge master for i915 fixes
Diffstat (limited to 'net/core/request_sock.c')
| -rw-r--r-- | net/core/request_sock.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/core/request_sock.c b/net/core/request_sock.c index 87b22c0bc08c..b42f0e26f89e 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -103,10 +103,16 @@ void reqsk_queue_destroy(struct request_sock_queue *queue) spin_lock_bh(&queue->syn_wait_lock); while ((req = lopt->syn_table[i]) != NULL) { lopt->syn_table[i] = req->dl_next; + /* Because of following del_timer_sync(), + * we must release the spinlock here + * or risk a dead lock. + */ + spin_unlock_bh(&queue->syn_wait_lock); atomic_inc(&lopt->qlen_dec); - if (del_timer(&req->rsk_timer)) + if (del_timer_sync(&req->rsk_timer)) reqsk_put(req); reqsk_put(req); + spin_lock_bh(&queue->syn_wait_lock); } spin_unlock_bh(&queue->syn_wait_lock); } |