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allocate_flower_entry: should check for null deref

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allocate_flower_entry does not check for allocation success, but tries
to deref the result. I only moved the spin_lock under null check, because
 the caller is checking allocation's status at line 652.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Navid Emamdoost 2019-07-21 01:37:31 -05:00 • committed by David S. Miller
commit bb1320834b
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
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@ -67,7 +67,8 @@ static struct ch_tc_pedit_fields pedits[] = {
static struct ch_tc_flower_entry *allocate_flower_entry(void)
{
struct ch_tc_flower_entry *new = kzalloc(sizeof(*new), GFP_KERNEL);
spin_lock_init(&new->lock);
if (new)
spin_lock_init(&new->lock);
return new;
}