[PATCH 4.9 62/66] platform/x86: mlx-platform: free first dev on error

From: Greg Kroah-Hartman
Date: Tue Jan 31 2017 - 00:51:42 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

commit 63d762b88cb5510f2bfdb5112ced18cde867ae61 upstream.

There is an off-by-one error so we don't unregister priv->pdev_mux[0].
Also it's slightly simpler as a while loop instead of a for loop.

Fixes: 58cbbee2391c ("x86/platform/mellanox: Introduce support for Mellanox systems platform")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
arch/x86/platform/mellanox/mlx-platform.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/platform/mellanox/mlx-platform.c
+++ b/arch/x86/platform/mellanox/mlx-platform.c
@@ -233,7 +233,7 @@ static int __init mlxplat_init(void)
return 0;

fail_platform_mux_register:
- for (i--; i > 0 ; i--)
+ while (--i >= 0)
platform_device_unregister(priv->pdev_mux[i]);
platform_device_unregister(priv->pdev_i2c);
fail_alloc: