[ovs-dev] [PATCH 12/13] conntrack: Fix dead assignment reported by clang.
Darrell Ball
dball at vmware.com
Fri Sep 8 19:41:24 UTC 2017
Hi Bhanu
What version of clang are you using and in what environment ?
Thanks Darrell
On 9/8/17, 10:59 AM, "ovs-dev-bounces at openvswitch.org on behalf of Bhanuprakash Bodireddy" <ovs-dev-bounces at openvswitch.org on behalf of bhanuprakash.bodireddy at intel.com> wrote:
Clang reports that value stored to ftp, seq_skew_dir never read inside
the function.
Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy at intel.com>
---
lib/conntrack.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/lib/conntrack.c b/lib/conntrack.c
index 419cb1d..a0838ee 100644
--- a/lib/conntrack.c
+++ b/lib/conntrack.c
@@ -2615,7 +2615,7 @@ process_ftp_ctl_v4(struct conntrack *ct,
char ftp_msg[LARGEST_FTP_MSG_OF_INTEREST + 1] = {0};
get_ftp_ctl_msg(pkt, ftp_msg);
- char *ftp = ftp_msg;
+ char *ftp;
enum ct_alg_mode mode;
if (!strncasecmp(ftp_msg, FTP_PORT_CMD, strlen(FTP_PORT_CMD))) {
ftp = ftp_msg + strlen(FTP_PORT_CMD);
@@ -2761,7 +2761,7 @@ process_ftp_ctl_v6(struct conntrack *ct,
get_ftp_ctl_msg(pkt, ftp_msg);
*ftp_data_start = tcp_hdr + tcp_hdr_len;
- char *ftp = ftp_msg;
+ char *ftp;
struct in6_addr ip6_addr;
if (!strncasecmp(ftp_msg, FTP_EPRT_CMD, strlen(FTP_EPRT_CMD))) {
ftp = ftp_msg + strlen(FTP_EPRT_CMD);
@@ -2909,7 +2909,6 @@ handle_ftp_ctl(struct conntrack *ct, const struct conn_lookup_ctx *ctx,
bool seq_skew_dir;
if (ftp_ctl == CT_FTP_CTL_OTHER) {
seq_skew = conn_for_expectation->seq_skew;
- seq_skew_dir = conn_for_expectation->seq_skew_dir;
} else if (ftp_ctl == CT_FTP_CTL_INTEREST) {
enum ftp_ctl_pkt rc;
if (ctx->key.dl_type == htons(ETH_TYPE_IPV6)) {
--
2.4.11
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