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authorFlorian Westphal <fw@strlen.de>2021-02-05 02:23:30 +0300
committerJakub Kicinski <kuba@kernel.org>2021-02-07 01:35:47 +0300
commit3abc05d9ef6fe989706b679e1e6371d6360d3db4 (patch)
tree5672614138e7851ae7d4a191bfd784085d16588c /net/mptcp/protocol.c
parent1002b89f23eaa6d48ca1d2f362e894086bd063f1 (diff)
downloadlinux-3abc05d9ef6fe989706b679e1e6371d6360d3db4.tar.xz
mptcp: pm: add lockdep assertions
Add a few assertions to make sure functions are called with the needed locks held. Two functions gain might_sleep annotations because they contain conditional calls to functions that sleep. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 1405e146dd7c..b9f16a1535d2 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2187,6 +2187,8 @@ static void __mptcp_close_subflow(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow, *tmp;
+ might_sleep();
+
list_for_each_entry_safe(subflow, tmp, &msk->conn_list, node) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
@@ -2529,6 +2531,8 @@ static void __mptcp_destroy_sock(struct sock *sk)
pr_debug("msk=%p", msk);
+ might_sleep();
+
/* dispose the ancillatory tcp socket, if any */
if (msk->subflow) {
iput(SOCK_INODE(msk->subflow));