[PATCH] spi: remove redundant put_device

[Ding Xiang]

device_unregister will call put_device,
so remove the redundant put_device

Signed-off-by: Ding Xiang <dingxi...@cmss.chinamobile.com>
---
 drivers/spi/spi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 75ac046..d753689 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2133,11 +2133,9 @@ static ssize_t spi_slave_store(struct device *dev,
                return -EINVAL;
 
        child = device_find_child(&ctlr->dev, NULL, match_true);
-       if (child) {
+       if (child)
                /* Remove registered slave */
                device_unregister(child);
-               put_device(child);
-       }
 
        if (strcmp(name, "(null)")) {
                /* Register new slave */
-- 
1.9.1