dmaengine: ioat: Fix error handling path

[ Upstream commit 5c9afbda911ce20b3f2181d1e440a0222e1027dd ]

If the last test in 'ioat_dma_self_test()' fails, we must release all
the allocated resources and not just part of them.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index 0dea6d5..84eb83e 100644 (file)
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -388,7 +388,7 @@ static int ioat_dma_self_test(struct ioatdma_device *ioat_dma)
        if (memcmp(src, dest, IOAT_TEST_SIZE)) {
                dev_err(dev, "Self-test copy failed compare, disabling\n");
                err = -ENODEV;
-               goto free_resources;
+               goto unmap_dma;
        }
 
 unmap_dma: