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staging: wlags49_h2: Replace kmalloc+memset by kzalloc and add error handling.

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Replace kmalloc+memset pair by kzalloc() in 'wl_wds_device_alloc()'.
Add error handling to avoid null derefernce.

Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Santosh Nayak 2012-03-23 21:14:02 +05:30 committed by Greg Kroah-Hartman
parent 277ac73720
commit 310c6a762e
1 changed files with 5 additions and 2 deletions
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7
drivers/staging/wlags49_h2/wl_netdev.c
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@ -1510,8 +1510,11 @@ void wl_wds_device_alloc( struct wl_private *lp )
for( count = 0; count < NUM_WDS_PORTS; count++ ) {
struct net_device *dev_wds = NULL;
dev_wds = kmalloc( sizeof( struct net_device ), GFP_KERNEL );
memset( dev_wds, 0, sizeof( struct net_device ));
dev_wds = kzalloc(sizeof(struct net_device), GFP_KERNEL);
if (!dev_wds) {
DBG_LEAVE(DbgInfo);
return;
}
ether_setup( dev_wds );