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net: xfrm: drop check of pols[0] for the second time 

!pols[0] is checked earlier.  If we don't return, pols[0] is always
true.  We should drop the check of pols[0] for the second time and the
binary is also smaller.

Before:
   text	   data	    bss	    dec	    hex	filename
  48395	    957	    240	  49592	   c1b8	net/xfrm/xfrm_policy.o

After:
   text	   data	    bss	    dec	    hex	filename
  48379	    957	    240	  49576	   c1a8	net/xfrm/xfrm_policy.o

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Jean Sacren 2021-11-30 00:03:12 -07:00 committed by Steffen Klassert
parent 2e1809208a
commit ac1077e928
1 changed files with 1 additions and 1 deletions
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2
net/xfrm/xfrm_policy.c
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@ -2680,7 +2680,7 @@ static int xfrm_expand_policies(const struct flowi *fl, u16 family,
*num_xfrms = pols[0]->xfrm_nr;
#ifdef CONFIG_XFRM_SUB_POLICY
if (pols[0] && pols[0]->action == XFRM_POLICY_ALLOW &&
if (pols[0]->action == XFRM_POLICY_ALLOW &&
pols[0]->type != XFRM_POLICY_TYPE_MAIN) {
pols[1] = xfrm_policy_lookup_bytype(xp_net(pols[0]),
XFRM_POLICY_TYPE_MAIN,