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| author | David S. Miller <davem@davemloft.net> | 2017-03-24 01:11:56 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-24 02:41:27 +0300 |
| commit | 16ae1f223601c44e5cb65c99257ffae003504704 (patch) | |
| tree | 1f5284c0e82e4d94ca07eb022fa7911d99bb0cb6 /net/unix/garbage.c | |
| parent | 6f359f99b8c2ff3b09329611da00fe39a7c10e7e (diff) | |
| parent | d038e3dcfff6e3de132726a9c7174d8170032aa4 (diff) | |
| download | linux-16ae1f223601c44e5cb65c99257ffae003504704.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/genet/bcmmii.c
drivers/net/hyperv/netvsc.c
kernel/bpf/hashtab.c
Almost entirely overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/unix/garbage.c')
| -rw-r--r-- | net/unix/garbage.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/unix/garbage.c b/net/unix/garbage.c index 6a0d48525fcf..c36757e72844 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -146,6 +146,7 @@ void unix_notinflight(struct user_struct *user, struct file *fp) if (s) { struct unix_sock *u = unix_sk(s); + BUG_ON(!atomic_long_read(&u->inflight)); BUG_ON(list_empty(&u->link)); if (atomic_long_dec_and_test(&u->inflight)) @@ -341,6 +342,14 @@ void unix_gc(void) } list_del(&cursor); + /* Now gc_candidates contains only garbage. Restore original + * inflight counters for these as well, and remove the skbuffs + * which are creating the cycle(s). + */ + skb_queue_head_init(&hitlist); + list_for_each_entry(u, &gc_candidates, link) + scan_children(&u->sk, inc_inflight, &hitlist); + /* not_cycle_list contains those sockets which do not make up a * cycle. Restore these to the inflight list. */ @@ -350,14 +359,6 @@ void unix_gc(void) list_move_tail(&u->link, &gc_inflight_list); } - /* Now gc_candidates contains only garbage. Restore original - * inflight counters for these as well, and remove the skbuffs - * which are creating the cycle(s). - */ - skb_queue_head_init(&hitlist); - list_for_each_entry(u, &gc_candidates, link) - scan_children(&u->sk, inc_inflight, &hitlist); - spin_unlock(&unix_gc_lock); /* Here we are. Hitlist is filled. Die. */ |