In sys_mount, getname() checks dir_name.
So do_mount needn't check dir_name again.
Signed-off-by: Seunghun Lee <way...@gmail.com>
---
fs/namespace.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index bfd03c6..bf8a9af 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2553,11 +2553,6 @@ long do_mount(const char *dev_name, const char *dir_name,
if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
flags &= ~MS_MGC_MSK;
- /* Basic sanity checks */
-
- if (!dir_name || !*dir_name || !memchr(dir_name, 0, PAGE_SIZE))
- return -EINVAL;
-
if (data_page)
((char *)data_page)[PAGE_SIZE - 1] = 0;
--
1.7.9.5
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