platform/x86: mlx-platform: free first dev on error

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@oracle.com>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/platform/mellanox/mlx-platform.c b/arch/x86/platform/mellanox/mlx-platform.c
index 7dcfcca..c0355d7 100644 (file)
--- 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: