diff options
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/client.c | 9 | ||||
| -rw-r--r-- | net/9p/protocol.c | 2 |
2 files changed, 7 insertions, 4 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 3ce672af1596..1218fb3b52da 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -592,9 +592,8 @@ static int p9_check_zc_errors(struct p9_client *c, struct p9_req_t *req, ename = &req->rc->sdata[req->rc->offset]; if (len > inline_len) { /* We have error in external buffer */ - err = copy_from_iter(ename + inline_len, - len - inline_len, uidata); - if (err != len - inline_len) { + if (!copy_from_iter_full(ename + inline_len, + len - inline_len, uidata)) { err = -EFAULT; goto out_err; } @@ -2101,6 +2100,10 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset) trace_9p_protocol_dump(clnt, req->rc); goto free_and_error; } + if (rsize < count) { + pr_err("bogus RREADDIR count (%d > %d)\n", count, rsize); + count = rsize; + } p9_debug(P9_DEBUG_9P, "<<< RREADDIR count %d\n", count); diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 16d287565987..16e10680518c 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -74,7 +74,7 @@ pdu_write_u(struct p9_fcall *pdu, struct iov_iter *from, size_t size) { size_t len = min(pdu->capacity - pdu->size, size); struct iov_iter i = *from; - if (copy_from_iter(&pdu->sdata[pdu->size], len, &i) != len) + if (!copy_from_iter_full(&pdu->sdata[pdu->size], len, &i)) len = 0; pdu->size += len; |
