crypto: mediatek - Fix wrong return value in mtk_desc_ring_alloc()
[ Upstream commit
8cbde6c6a6d2b1599ff90f932304aab7e32fce89 ]
In case of memory allocation failure, a negative error code should
be returned.
Fixes:
785e5c616c849 ("crypto: mediatek - Add crypto driver support for some MediaTek chips")
Cc: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>