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| author | Zhang Chen <zhangchen.fnst@cn.fujitsu.com> | 2016-10-17 17:23:59 +0800 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2016-10-26 09:58:02 +0800 |
| commit | 2061c14c9bea67f8f1fc6bc7acb33c903a0586c1 (patch) | |
| tree | c56970b47f86b4e19d151d54e07af1c866bc65d4 /net/filter-rewriter.c | |
| parent | c7c35916692fe010fef25ac338443d3fe40be225 (diff) | |
| download | qemu-2061c14c9bea67f8f1fc6bc7acb33c903a0586c1.tar.gz | |
colo-proxy: fix memory leak
Fix memory leak in colo-compare.c and filter-rewriter.c
Report by Coverity and add some comments.
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'net/filter-rewriter.c')
| -rw-r--r-- | net/filter-rewriter.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c index 89abe72d4e..c4ab91cdee 100644 --- a/net/filter-rewriter.c +++ b/net/filter-rewriter.c @@ -68,15 +68,11 @@ static int handle_primary_tcp_pkt(NetFilterState *nf, tcp_pkt = (struct tcphdr *)pkt->transport_header; if (trace_event_get_state(TRACE_COLO_FILTER_REWRITER_DEBUG)) { - char *sdebug, *ddebug; - sdebug = strdup(inet_ntoa(pkt->ip->ip_src)); - ddebug = strdup(inet_ntoa(pkt->ip->ip_dst)); - trace_colo_filter_rewriter_pkt_info(__func__, sdebug, ddebug, + trace_colo_filter_rewriter_pkt_info(__func__, + inet_ntoa(pkt->ip->ip_src), inet_ntoa(pkt->ip->ip_dst), ntohl(tcp_pkt->th_seq), ntohl(tcp_pkt->th_ack), tcp_pkt->th_flags); trace_colo_filter_rewriter_conn_offset(conn->offset); - g_free(sdebug); - g_free(ddebug); } if (((tcp_pkt->th_flags & (TH_ACK | TH_SYN)) == TH_SYN)) { @@ -116,15 +112,11 @@ static int handle_secondary_tcp_pkt(NetFilterState *nf, tcp_pkt = (struct tcphdr *)pkt->transport_header; if (trace_event_get_state(TRACE_COLO_FILTER_REWRITER_DEBUG)) { - char *sdebug, *ddebug; - sdebug = strdup(inet_ntoa(pkt->ip->ip_src)); - ddebug = strdup(inet_ntoa(pkt->ip->ip_dst)); - trace_colo_filter_rewriter_pkt_info(__func__, sdebug, ddebug, + trace_colo_filter_rewriter_pkt_info(__func__, + inet_ntoa(pkt->ip->ip_src), inet_ntoa(pkt->ip->ip_dst), ntohl(tcp_pkt->th_seq), ntohl(tcp_pkt->th_ack), tcp_pkt->th_flags); trace_colo_filter_rewriter_conn_offset(conn->offset); - g_free(sdebug); - g_free(ddebug); } if (((tcp_pkt->th_flags & (TH_ACK | TH_SYN)) == (TH_ACK | TH_SYN))) { @@ -162,6 +154,7 @@ static ssize_t colo_rewriter_receive_iov(NetFilterState *nf, iov_to_buf(iov, iovcnt, 0, buf, size); pkt = packet_new(buf, size); + g_free(buf); /* * if we get tcp packet |