Commit 38189779 authored by YueHaibing's avatar YueHaibing Committed by David S. Miller

net/smc: fix sizeof to int comparison

Comparing an int to a size, which is unsigned, causes the int to become
unsigned, giving the wrong result. kernel_sendmsg can return a negative
error code.
Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarUrsula Braun <ubraun@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 71d117f5
......@@ -446,14 +446,12 @@ int smc_clc_send_proposal(struct smc_sock *smc, int smc_type,
vec[i++].iov_len = sizeof(trl);
/* due to the few bytes needed for clc-handshake this cannot block */
len = kernel_sendmsg(smc->clcsock, &msg, vec, i, plen);
if (len < sizeof(pclc)) {
if (len >= 0) {
reason_code = -ENETUNREACH;
smc->sk.sk_err = -reason_code;
} else {
smc->sk.sk_err = smc->clcsock->sk->sk_err;
reason_code = -smc->sk.sk_err;
}
if (len < 0) {
smc->sk.sk_err = smc->clcsock->sk->sk_err;
reason_code = -smc->sk.sk_err;
} else if (len < (int)sizeof(pclc)) {
reason_code = -ENETUNREACH;
smc->sk.sk_err = -reason_code;
}
return reason_code;
......
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