Revert "UBIFS: Fix potential integer overflow in allocation"



This reverts commit 353748a3.
It bypassed the linux-mtd review process and fixes the issue not as it
should.

Cc: Kees Cook <keescook@chromium.org>
Cc: Silvio Cesare <silvio.cesare@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>

parent 49d2e05f

fs/ubifs/journal.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -1288,11 +1288,10 @@ static int truncate_data_node(const struct ubifs_info c, const struct inode in
		int *new_len)
		{
		void *buf;
		int err, compr_type;
		u32 dlen, out_len, old_dlen;
		int err, dlen, compr_type, out_len, old_dlen;

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