git: 5bc3ab86d619 - stable/12 - pf: remove pointless NULL check

From: Kristof Provost <kp_at_FreeBSD.org>
Date: Wed, 27 Apr 2022 12:50:29 UTC
The branch stable/12 has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=5bc3ab86d6191b1f96f2bc7011314d43c32492f3

commit 5bc3ab86d6191b1f96f2bc7011314d43c32492f3
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2022-04-21 12:33:48 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2022-04-27 06:49:21 +0000

    pf: remove pointless NULL check
    
    pfi_kkif_attach() always returns non-NULL, and we dereference the
    pointer before we check it, so that's pointless.
    
    Reported by:    Coverity (CID 1007345)
    MFC after:      1 week
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    
    (cherry picked from commit ed6287c14168de409c5f333bda59896c8109eb70)
---
 sys/netpfil/pf/pf_if.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/netpfil/pf/pf_if.c b/sys/netpfil/pf/pf_if.c
index ff2038138068..806718863f34 100644
--- a/sys/netpfil/pf/pf_if.c
+++ b/sys/netpfil/pf/pf_if.c
@@ -549,8 +549,7 @@ _bad:
 		pfr_detach_table(dyn->pfid_kt);
 	if (ruleset != NULL)
 		pf_remove_if_empty_kruleset(ruleset);
-	if (dyn->pfid_kif != NULL)
-		pfi_kkif_unref(dyn->pfid_kif);
+	pfi_kkif_unref(dyn->pfid_kif);
 	free(dyn, PFI_MTYPE);
 
 	return (rv);