Staging: otus: Add null check and fix coding style issue

This patch removes mixing of declarations and code and adds a null-test
after a kmalloc.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/otus/ioctl.c b/drivers/staging/otus/ioctl.c
index b9dd943..a48c8e4 100644 (file)
--- a/drivers/staging/otus/ioctl.c
+++ b/drivers/staging/otus/ioctl.c
@@ -867,6 +867,7 @@ int usbdrvwext_giwscan(struct net_device *dev,
        char *current_ev = extra;
        char *end_buf;
        int i;
+       struct zsBssListV1 *pBssList;
        /* BssList = wd->sta.pBssList; */
        /* zmw_get_wlan_dev(dev); */
 
@@ -874,8 +875,10 @@ int usbdrvwext_giwscan(struct net_device *dev,
                return 0;
 
        /* struct zsBssList BssList; */
-       struct zsBssListV1 *pBssList = kmalloc(sizeof(struct zsBssListV1),
-                                                               GFP_KERNEL);
+       pBssList = kmalloc(sizeof(struct zsBssListV1), GFP_KERNEL);
+       if (pBssList == NULL)
+               return -ENOMEM;
+
        if (data->length == 0)
                end_buf = extra + IW_SCAN_MAX_DATA;
        else