diff options
| -rw-r--r-- | fs/read_write.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 6be4b1a1956b..c4c2bee373ed 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -467,10 +467,10 @@ static ssize_t do_readv_writev(int type, struct file *file, void __user *buf = iov[seg].iov_base; ssize_t len = (ssize_t)iov[seg].iov_len; - if (unlikely(!access_ok(vrfy_dir(type), buf, len))) - goto Efault; if (len < 0) /* size_t not fitting an ssize_t .. */ goto out; + if (unlikely(!access_ok(vrfy_dir(type), buf, len))) + goto Efault; tot_len += len; if ((ssize_t)tot_len < 0) /* maths overflow on the ssize_t */ goto out; |