wlcore: fixup an allocation

GFP_DMA isn't supposed to be used by itself.  This allocation is allowed
to sleep so it should be ORing it with GFP_KERNEL.
Also we should check for allocations errors.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index 5c4716c..7ea10e1 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -123,7 +123,9 @@ static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask)
        unsigned long timeout;
        int ret = 0;
 
-       events_vector = kmalloc(sizeof(*events_vector), GFP_DMA);
+       events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA);
+       if (!events_vector)
+               return -ENOMEM;
 
        timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);