From: Zhiyong Yang <zhiyong.yang@intel.com>
Date: Thu, 1 Feb 2018 04:43:00 +0000 (+0800)
Subject: net/tap: fix icc build
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d98fac4dae3634fedbb6f3d568e71a30ded81dd9;p=dpdk.git

net/tap: fix icc build

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

Fixes: 1911c5edc6cd ("net/tap: fix eBPF RSS map key handling")

Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
---

diff --git a/drivers/net/tap/tap_flow.c b/drivers/net/tap/tap_flow.c
index 212992e496..65657f0a04 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;