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mptcp: remove unnecessary else statements

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The 'else' statements are not needed here, because their previous 'if'
block ends with a 'return'.

This fixes CheckPatch warnings:

  WARNING: else is not generally useful after a break or return

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20240514011335.176158-7-martineau@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Matthieu Baerts (NGI0) 2024-05-13 18:13:30 -07:00 committed by Jakub Kicinski
parent 5eae7a8202
commit 00797af95f
1 changed files with 17 additions and 15 deletions
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14
net/mptcp/subflow.c
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@ -1119,6 +1119,8 @@ static enum mapping_status get_mapping_status(struct sock *ssk,
}
if (mpext->data_fin == 1) {
u64 data_fin_seq;
if (data_len == 1) {
bool updated = mptcp_update_rcv_data_fin(msk, mpext->data_seq,
mpext->dsn64);
@ -1131,17 +1133,18 @@ static enum mapping_status get_mapping_status(struct sock *ssk,
*/
skb_ext_del(skb, SKB_EXT_MPTCP);
return MAPPING_OK;
} else {
}
if (updated)
mptcp_schedule_work((struct sock *)msk);
return MAPPING_DATA_FIN;
}
} else {
u64 data_fin_seq = mpext->data_seq + data_len - 1;
/* If mpext->data_seq is a 32-bit value, data_fin_seq
* must also be limited to 32 bits.
data_fin_seq = mpext->data_seq + data_len - 1;
/* If mpext->data_seq is a 32-bit value, data_fin_seq must also
* be limited to 32 bits.
*/
if (!mpext->dsn64)
data_fin_seq &= GENMASK_ULL(31, 0);
@ -1149,7 +1152,6 @@ static enum mapping_status get_mapping_status(struct sock *ssk,
mptcp_update_rcv_data_fin(msk, data_fin_seq, mpext->dsn64);
pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d",
data_fin_seq, mpext->dsn64);
}
/* Adjust for DATA_FIN using 1 byte of sequence space */
data_len--;