mfd: sm501: Fix leaks in probe()

[ Upstream commit 8ce24f8967df2836b4557a23e74dc4bb098249f1 ]

This code should clean up if sm501_init_dev() fails.

Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index ccd62b963952814e812a3798e6372bcf1dabbd9a..6d2f4a0a901dc0853c39f872dd1f1c18c7b17603 100644 (file)
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1415,8 +1415,14 @@ static int sm501_plat_probe(struct platform_device *dev)
                goto err_claim;
        }
 
-       return sm501_init_dev(sm);
+       ret = sm501_init_dev(sm);
+       if (ret)
+               goto err_unmap;
+
+       return 0;
 
+ err_unmap:
+       iounmap(sm->regs);
  err_claim:
        release_mem_region(sm->io_res->start, 0x100);
  err_res: