[dpdk-dev] [PATCH] net/tap: fix ICC compilation fails

[Zhiyong Yang]

The following error is reported when compiling 18.02-rc2 usng ICC,
"transfer of control bypasses initialization of".
The patch fixes the issue.

Fixes: 1911c5edc6cd ("net/tap: fix eBPF RSS map key handling")
Cc: stable at dpdk.org
Cc: pascal.mazon at 6wind.com
Cc: ferruh.yigit at intel.com
Cc: thomas at monjalon.net
Cc: ophirmu at mellanox.com

Signed-off-by: Zhiyong Yang <zhiyong.yang at intel.com>
---
 drivers/net/tap/tap_flow.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tap/tap_flow.c b/drivers/net/tap/tap_flow.c
index 212992e49..65657f0a0 100644
--- a/drivers/net/tap/tap_flow.c
+++ b/drivers/net/tap/tap_flow.c
@@ -1930,6 +1930,7 @@ static int bpf_rss_key(enum bpf_rss_key_e cmd, __u32 *key_idx)
 	static __u32 num_used_keys;
 	static __u32 rss_keys[MAX_RSS_KEYS] = {KEY_STAT_UNSPEC};
 	static __u32 rss_keys_initialized;
+	__u32 key;
 
 	switch (cmd) {
 	case KEY_CMD_GET:
@@ -1975,7 +1976,7 @@ static int bpf_rss_key(enum bpf_rss_key_e cmd, __u32 *key_idx)
 		 * map index as an out-of-range value and the release operation
 		 * will be silently ignored.
 		 */
-		__u32 key = *key_idx - KEY_IDX_OFFSET;
+		key = *key_idx - KEY_IDX_OFFSET;
 		if (key >= RTE_DIM(rss_keys))
 			break;
 
-- 
2.13.3