mfd: sm501: Fix leaks in probe()

This code should clean up if sm501_init_dev() fails. Fixes: b6d6454 ("[PATCH] mfd: SM501 core driver") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Lee Jones <[email protected]>
zandrey · Sep 30, 2020 · 8ce24f8 · 8ce24f8
1 parent 529a110
commit 8ce24f8
Showing 1 changed file with 7 additions and 1 deletion.
diff --git 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: