diff options
| -rw-r--r-- | mm/mmap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index bb50cacc3ea5..aa632ade2be7 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1258,6 +1258,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, *populate = 0; + if (!len) + return -EINVAL; + /* * Does the application expect PROT_READ to imply PROT_EXEC? * @@ -1268,9 +1271,6 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC))) prot |= PROT_EXEC; - if (!len) - return -EINVAL; - if (!(flags & MAP_FIXED)) addr = round_hint_to_min(addr); |