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-rw-r--r--net/9p/protocol.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 3acd3afb20c8..45c15f491401 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -122,9 +122,8 @@ static size_t
122pdu_write_u(struct p9_fcall *pdu, const char __user *udata, size_t size) 122pdu_write_u(struct p9_fcall *pdu, const char __user *udata, size_t size)
123{ 123{
124 size_t len = MIN(pdu->capacity - pdu->size, size); 124 size_t len = MIN(pdu->capacity - pdu->size, size);
125 int err = copy_from_user(&pdu->sdata[pdu->size], udata, len); 125 if (copy_from_user(&pdu->sdata[pdu->size], udata, len))
126 if (err) 126 len = 0;
127 printk(KERN_WARNING "pdu_write_u returning: %d\n", err);
128 127
129 pdu->size += len; 128 pdu->size += len;
130 return size - len; 129 return size - len;