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authorHariprasad Kelam <hariprasad.kelam@gmail.com>2019-07-16 07:50:02 +0530
committerDavid S. Miller <davem@davemloft.net>2019-07-17 12:01:19 -0700
commit86fda90ab5888d983f7307442ba62978e3504bd3 (patch)
tree8bfee3a7cedc41a336db405a2d38b2af51795e9e /net
parentfdd258d49e88a9e0b49ef04a506a796f1c768a8e (diff)
downloadlinux-86fda90ab5888d983f7307442ba62978e3504bd3.tar.gz
net: sctp: fix warning "NULL check before some freeing functions is not needed"
This patch removes NULL checks before calling kfree.

fixes below issues reported by coccicheck
net/sctp/sm_make_chunk.c:2586:3-8: WARNING: NULL check before some
freeing functions is not needed.
net/sctp/sm_make_chunk.c:2652:3-8: WARNING: NULL check before some
freeing functions is not needed.
net/sctp/sm_make_chunk.c:2667:3-8: WARNING: NULL check before some
freeing functions is not needed.
net/sctp/sm_make_chunk.c:2684:3-8: WARNING: NULL check before some
freeing functions is not needed.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/sctp/sm_make_chunk.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index ed39396b9bba..36bd8a6e82df 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2582,8 +2582,7 @@ do_addr_param:
 	case SCTP_PARAM_STATE_COOKIE:
 		asoc->peer.cookie_len =
 			ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
-		if (asoc->peer.cookie)
-			kfree(asoc->peer.cookie);
+		kfree(asoc->peer.cookie);
 		asoc->peer.cookie = kmemdup(param.cookie->body, asoc->peer.cookie_len, gfp);
 		if (!asoc->peer.cookie)
 			retval = 0;
@@ -2648,8 +2647,7 @@ do_addr_param:
 			goto fall_through;
 
 		/* Save peer's random parameter */
-		if (asoc->peer.peer_random)
-			kfree(asoc->peer.peer_random);
+		kfree(asoc->peer.peer_random);
 		asoc->peer.peer_random = kmemdup(param.p,
 					    ntohs(param.p->length), gfp);
 		if (!asoc->peer.peer_random) {
@@ -2663,8 +2661,7 @@ do_addr_param:
 			goto fall_through;
 
 		/* Save peer's HMAC list */
-		if (asoc->peer.peer_hmacs)
-			kfree(asoc->peer.peer_hmacs);
+		kfree(asoc->peer.peer_hmacs);
 		asoc->peer.peer_hmacs = kmemdup(param.p,
 					    ntohs(param.p->length), gfp);
 		if (!asoc->peer.peer_hmacs) {
@@ -2680,8 +2677,7 @@ do_addr_param:
 		if (!ep->auth_enable)
 			goto fall_through;
 
-		if (asoc->peer.peer_chunks)
-			kfree(asoc->peer.peer_chunks);
+		kfree(asoc->peer.peer_chunks);
 		asoc->peer.peer_chunks = kmemdup(param.p,
 					    ntohs(param.p->length), gfp);
 		if (!asoc->peer.peer_chunks)