In the init loop, if an error occurs in function 'dma_alloc_coherent',
then goto the err_cleanup section,
in the cleanup loop, after run i--,
the struct mtk_ring rising[i] will not be released,
causing a memory leak
Signed-off-by: Xiaoliang Pang <dawning.pang@xxxxxxxxx>
---
drivers/crypto/mediatek/mtk-platform.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/mediatek/mtk-platform.c b/drivers/crypto/mediatek/mtk-platform.c
index 7e3ad085b5bd..05d341e4a696 100644
--- a/drivers/crypto/mediatek/mtk-platform.c
+++ b/drivers/crypto/mediatek/mtk-platform.c
@@ -469,7 +469,7 @@ static int mtk_desc_ring_alloc(struct mtk_cryp *cryp)
return 0;
err_cleanup:
- for (; i--; ) {
+ for (; i >= 0; --i) {
dma_free_coherent(cryp->dev, MTK_DESC_RING_SZ,
ring[i]->res_base, ring[i]->res_dma);
dma_free_coherent(cryp->dev, MTK_DESC_RING_SZ,
--
2.17.1
