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, | |||
467 | void __user *buf = iov[seg].iov_base; | 467 | void __user *buf = iov[seg].iov_base; |
468 | ssize_t len = (ssize_t)iov[seg].iov_len; | 468 | ssize_t len = (ssize_t)iov[seg].iov_len; |
469 | 469 | ||
470 | if (unlikely(!access_ok(vrfy_dir(type), buf, len))) | ||
471 | goto Efault; | ||
472 | if (len < 0) /* size_t not fitting an ssize_t .. */ | 470 | if (len < 0) /* size_t not fitting an ssize_t .. */ |
473 | goto out; | 471 | goto out; |
472 | if (unlikely(!access_ok(vrfy_dir(type), buf, len))) | ||
473 | goto Efault; | ||
474 | tot_len += len; | 474 | tot_len += len; |
475 | if ((ssize_t)tot_len < 0) /* maths overflow on the ssize_t */ | 475 | if ((ssize_t)tot_len < 0) /* maths overflow on the ssize_t */ |
476 | goto out; | 476 | goto out; |