[PATCH] ubifs: Use kmalloc_array()

From: Richard Weinberger
Date: Mon Jul 02 2018 - 17:47:26 EST


Since commit 6da2ec56059c ("treewide: kmalloc() -> kmalloc_array()")
we use kmalloc_array() for kmalloc() that computes the length with
a multiplication.

Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Suggested-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
fs/ubifs/journal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index eea12d25a58b..95acc0c04bca 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1285,7 +1285,7 @@ static int truncate_data_node(const struct ubifs_info *c, const struct inode *in
int err, dlen, compr_type, out_len, old_dlen;

out_len = le32_to_cpu(dn->size);
- buf = kmalloc(out_len * WORST_COMPR_FACTOR, GFP_NOFS);
+ buf = kmalloc_array(out_len, WORST_COMPR_FACTOR, GFP_NOFS);
if (!buf)
return -ENOMEM;

--
2.18.0