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[net-next,4/8] mptcp: userspace pm: use a single point of exit

Message ID 20230123-upstream-net-next-pm-v4-v6-v1-4-43fac502bfbf@tessares.net (mailing list archive)
State Accepted
Commit 40c71f763f87b68fe43199c1702220c91afed288
Headers show
Series mptcp: add mixed v4/v6 support for the in-kernel PM | expand

Commit Message

Matthieu Baerts Jan. 25, 2023, 10:47 a.m. UTC
Like in all other functions in this file, a single point of exit is used
when extra operations are needed: unlock, decrement refcount, etc.

There is no functional change for the moment but it is better to do the
same here to make sure all cleanups are done in case of intermediate

Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
 net/mptcp/pm_userspace.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c
index ea6ad9da7493..a02d3cbf2a1b 100644
--- a/net/mptcp/pm_userspace.c
+++ b/net/mptcp/pm_userspace.c
@@ -59,8 +59,8 @@  int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk,
 		e = sock_kmalloc(sk, sizeof(*e), GFP_ATOMIC);
 		if (!e) {
-			spin_unlock_bh(&msk->pm.lock);
-			return -ENOMEM;
+			ret = -ENOMEM;
+			goto append_err;
 		*e = *entry;
@@ -74,6 +74,7 @@  int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk,
 		ret = entry->addr.id;
 	return ret;