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net/9p: This patch implements TLERROR/RLERROR on the 9P client.

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Signed-off-by: Arun R Bharadwaj <[email protected]>
Signed-off-by: Venkateswararao Jujjuri <[email protected]>
Signed-off-by: Eric Van Hensbergen <[email protected]>
This commit is contained in:
Arun R Bharadwaj 2010-07-28 14:17:26 +05:30 • committed by Eric Van Hensbergen
commit 4f7ebe8072
2 changed files with 31 additions and 16 deletions
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43
net/9p/client.c
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@ -450,32 +450,43 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req)
return err;
}
if (type == P9_RERROR) {
if (type == P9_RERROR || type == P9_RLERROR) {
int ecode;
char *ename;
err = p9pdu_readf(req->rc, c->proto_version, "s?d",
&ename, &ecode);
if (err) {
P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n",
err);
return err;
}
if (!p9_is_proto_dotl(c)) {
char *ename;
if (p9_is_proto_dotu(c) ||
p9_is_proto_dotl(c))
err = p9pdu_readf(req->rc, c->proto_version, "s?d",
&ename, &ecode);
if (err)
goto out_err;
if (p9_is_proto_dotu(c))
err = -ecode;
if (!err || !IS_ERR_VALUE(err)) {
err = p9_errstr2errno(ename, strlen(ename));
P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", -ecode, ename);
kfree(ename);
}
} else {
err = p9pdu_readf(req->rc, c->proto_version, "d", &ecode);
err = -ecode;
if (!err || !IS_ERR_VALUE(err))
err = p9_errstr2errno(ename, strlen(ename));
P9_DPRINTK(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode);
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", -ecode, ename);
kfree(ename);
} else
err = 0;
return err;
out_err:
P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n", err);
return err;
}
/**