From: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Date: Thu, 28 Jan 2021 19:12:39 +0000 (+0000)
Subject: examples/pipeline: fix CLI parsing crash
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=821848f5192c6b6be954fa9f04c0e6a470cff2b6;p=dpdk.git

examples/pipeline: fix CLI parsing crash

Cannot dereference pointer for token[1] unless valid.

Fixes: 5074e1d551 ("examples/pipeline: add configuration commands")
Cc: stable@dpdk.org

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---

diff --git a/examples/pipeline/cli.c b/examples/pipeline/cli.c
index d0150cfcf6..e97e120606 100644
--- a/examples/pipeline/cli.c
+++ b/examples/pipeline/cli.c
@@ -1294,7 +1294,7 @@ cli_process(char *in, char *out, size_t out_size, void *obj)
 	}
 
 	if (strcmp(tokens[0], "link") == 0) {
-		if (strcmp(tokens[1], "show") == 0) {
+		if ((n_tokens >= 2) && (strcmp(tokens[1], "show") == 0)) {
 			cmd_link_show(tokens, n_tokens, out, out_size, obj);
 			return;
 		}