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| author |   David S. Miller <davem@davemloft.net> | 2013-08-16 15:37:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-16 15:37:26 -0700 |
| commit | 2ff1cf12c9fe70e75e600404e6a4274b19d293ed (patch) | |
| tree | beafddac0a8098e3f07d2ec60e44a2a7d006e605 /net/netlink | |
| parent | netlink: Eliminate kmalloc in netlink dump operation. (diff) | |
| parent | Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux (diff) | |
| download | linux-dev-2ff1cf12c9fe70e75e600404e6a4274b19d293ed.tar.xz linux-dev-2ff1cf12c9fe70e75e600404e6a4274b19d293ed.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/netlink')
| -rw-r--r-- | net/netlink/genetlink.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 512718adb0d5..f85f8a2ad6cf 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -789,6 +789,10 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) struct net *net = sock_net(skb->sk); int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; + bool need_locking = chains_to_skip || fams_to_skip; + + if (need_locking) + genl_lock(); for (i = chains_to_skip; i < GENL_FAM_TAB_SIZE; i++) { n = 0; @@ -810,6 +814,9 @@ errout: cb->args[0] = i; cb->args[1] = n; + if (need_locking) + genl_unlock(); + return skb->len; } |