[PATCH AUTOSEL 4.9 25/64] mips: txx9: fix iounmap related issue

Sasha Levin <[email protected]> Fri, 8 Nov 2019 06:45:06 -0500
Newsgroups gmane.linux.kernel,gmane.linux.kernel.stable,gmane.linux.ports.mips.general,gmane.linux.ports.mips
Message-ID <[email protected]>
From: Ding Xiang <[email protected]>

[ Upstream commit c6e1241a82e6e74d1ae5cc34581dab2ffd6022d0 ]

if device_register return error, iounmap should be called, also iounmap
need to call before put_device.

Signed-off-by: Ding Xiang <[email protected]>
Reviewed-by: Atsushi Nemoto <[email protected]>
Signed-off-by: Paul Burton <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/20476/
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Sasha Levin <[email protected]>
---
 arch/mips/txx9/generic/setup.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index a1d98b5c8fd67..5c53b8aa43d26 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -959,12 +959,11 @@ void __init txx9_sramc_init(struct resource *r)
 		goto exit_put;
 	err = sysfs_create_bin_file(&dev->dev.kobj, &dev->bindata_attr);
 	if (err) {
-		device_unregister(&dev->dev);
 		iounmap(dev->base);
-		kfree(dev);
+		device_unregister(&dev->dev);
 	}
 	return;
 exit_put:
+	iounmap(dev->base);
 	put_device(&dev->dev);
-	return;
 }
-- 
2.20.1