From: Hariprasad Kelam <[email protected]> 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 <[email protected]> Acked-by: Marcelo Ricardo Leitner <[email protected]> Acked-by: Neil Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Baolin Wang <[email protected]> --- net/sctp/sm_make_chunk.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index f67df16..6dac492 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2586,8 +2586,7 @@ static int sctp_process_param(struct sctp_association *asoc, 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; @@ -2652,8 +2651,7 @@ static int sctp_process_param(struct sctp_association *asoc, 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) { @@ -2667,8 +2665,7 @@ static int sctp_process_param(struct sctp_association *asoc, 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) { @@ -2684,8 +2681,7 @@ static int sctp_process_param(struct sctp_association *asoc, 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) -- 1.7.9.5
