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svcrpc: make xpo_recvfrom return only >=0 

The only errors returned from xpo_recvfrom have been -EAGAIN and
-EAFNOSUPPORT.  The latter was removed by a previous patch.  That leaves
only -EAGAIN, which is treated just like 0 by the caller (svc_recv).

So, just ditch -EAGAIN and return 0 instead.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2012-08-17 21:35:24 -04:00
parent af6d572134
commit 9f9d2ebe69
2 changed files with 4 additions and 4 deletions
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2
net/sunrpc/svc_xprt.c
View File

@ -743,7 +743,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
svc_xprt_received(xprt);
/* No data, incomplete (TCP) read, or accept() */
if (len == 0 || len == -EAGAIN)
if (len <= 0)
goto out;
clear_bit(XPT_OLD, &xprt->xpt_flags);

6
net/sunrpc/svcsock.c
View File

@ -598,7 +598,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
dprintk("svc: recvfrom returned error %d\n", -err);
set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
}
return -EAGAIN;
return 0;
}
len = svc_addr_len(svc_addr(rqstp));
rqstp->rq_addrlen = len;
@ -1174,13 +1174,13 @@ error:
if (len != -EAGAIN)
goto err_other;
dprintk("RPC: TCP recvfrom got EAGAIN\n");
return -EAGAIN;
return 0;
err_other:
printk(KERN_NOTICE "%s: recvfrom returned errno %d\n",
svsk->sk_xprt.xpt_server->sv_name, -len);
set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
err_noclose:
return -EAGAIN; /* record not complete */
return 0; /* record not complete */
}
/*