Unverified Commit d67cd7a0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15036 net/smc: check return value of sock_recvmsg when draining clc data 

Merge Pull Request from: @ci-robot 
 
PR sync from: Wang Liang <wangliang74@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FF2UV6DP7USDVY56TMUWSJU3N47DJBFQ/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBJCNG 
 
Link:https://gitee.com/openeuler/kernel/pulls/15036

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents b3243fe9 fbdf6a2e

net/smc/smc_clc.c

+5 −0
Original line number Diff line number Diff line
@@ -774,6 +774,11 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, 
						SMC_CLC_RECV_BUF_LEN : datlen;

		iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1, recvlen);

		len = sock_recvmsg(smc->clcsock, &msg, krflags);

		if (len < recvlen) {

			smc->sk.sk_err = EPROTO;

			reason_code = -EPROTO;

			goto out;

		}

		datlen -= len;

	}

	if (clcm->type == SMC_CLC_DECLINE) {