[PATCH 2/2] crypto: mxs-dcp: Check the return value of stmp_reset_block()

[Fabio Estevam <festevam@gmail.com>]

From: Fabio Estevam <fabio.estevam@freescale.com>

stmp_reset_block() may fail, so check its return value and propagate it in the
case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 drivers/crypto/mxs-dcp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index 2d7d497..4d18c40 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -942,7 +942,9 @@ static int mxs_dcp_probe(struct platform_device *pdev)
 	}
 
 	/* Restart the DCP block. */
-	stmp_reset_block(sdcp->base);
+	ret = stmp_reset_block(sdcp->base);
+	if (ret)
+		goto err_mutex;
 
 	/* Initialize control register. */
 	writel(MXS_DCP_CTRL_GATHER_RESIDUAL_WRITES |
-- 
1.8.1.2