[PATCH v2] app/testpmd: fix GTP PSC raw processing

[Gregory Etelson <getelson@nvidia.com>]

Fix GTP PSP extension size initialization.
Clear input buffer.

Fixes: c65282c9aa31 ("app/testpmd: fix GTP PSC raw processing")
Cc: stable@dpdk.org

Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Aman Singh <aman.deep.singh@intel.com>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
v2: fix comment tags order. 
---
 app/test-pmd/cmdline_flow.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index 6cb1173385..7f50028eb7 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -11030,10 +11030,12 @@ cmd_set_raw_parsed(const struct buffer *in)
 				const struct rte_flow_item_gtp_psc
 					*opt = item->spec;
 				struct rte_gtp_psc_generic_hdr *hdr;
-
-				*total_size += RTE_ALIGN(sizeof(hdr),
+				size_t hdr_size = RTE_ALIGN(sizeof(*hdr),
 							 sizeof(int32_t));
+
+				*total_size += hdr_size;
 				hdr = (typeof(hdr))(data_tail - (*total_size));
+				memset(hdr, 0, hdr_size);
 				*hdr = opt->hdr;
 				hdr->ext_hdr_len = 1;
 				gtp_psc = i;
-- 
2.34.1