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| author | Hariprasad Kelam <hariprasad.kelam@gmail.com> | 2019-07-16 04:20:02 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-17 21:01:19 +0200 |
| commit | 86fda90ab5888d983f7307442ba62978e3504bd3 (patch) | |
| tree | 8bfee3a7cedc41a336db405a2d38b2af51795e9e /net/sctp/sm_make_chunk.c | |
| parent | caif-hsi: fix possible deadlock in cfhsi_exit_module() (diff) | |
| download | linux-86fda90ab5888d983f7307442ba62978e3504bd3.tar.xz linux-86fda90ab5888d983f7307442ba62978e3504bd3.zip | |
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/sctp/sm_make_chunk.c')
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 12 |
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) |