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authorGeliang Tang <geliangtang@gmail.com>2020-06-15 16:34:28 +0800
committerDavid S. Miller <davem@davemloft.net>2020-06-15 13:04:53 -0700
commita386bc5b2155bf1fc76229481ac7e7f2a646d966 (patch)
treea94fa8cbacb5c337be7d4e0c4b7334c4a440e116 /net
parent35ed87add7def6809cf7815cc495a6537bc3bb01 (diff)
downloadlinux-sh-a386bc5b2155bf1fc76229481ac7e7f2a646d966.tar.gz
mptcp: use list_first_entry_or_null
Use list_first_entry_or_null to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/mptcp/protocol.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 70ed698bd206..db56535dfc29 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -232,10 +232,7 @@ static inline struct mptcp_data_frag *mptcp_rtx_head(const struct sock *sk)
{
struct mptcp_sock *msk = mptcp_sk(sk);
- if (list_empty(&msk->rtx_queue))
- return NULL;
-
- return list_first_entry(&msk->rtx_queue, struct mptcp_data_frag, list);
+ return list_first_entry_or_null(&msk->rtx_queue, struct mptcp_data_frag, list);
}
struct mptcp_subflow_request_sock {