app/fib: fix parsing of invalid line

Check returned value after strtok()
CID 355674 (#1 of 1): Dereference null return value (NULL_RETURNS)
4. dereference: Dereferencing a pointer that might be NULL s when
calling inet_pton

Fixes: 103809d032cd ("app/test-fib: add test application for FIB")
Cc: stable@dpdk.org
Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>

diff --git a/app/test-fib/main.c b/app/test-fib/main.c
index 6e80d65..9cf01b1 100644 (file)
--- a/app/test-fib/main.c
+++ b/app/test-fib/main.c
@@ -543,6 +543,8 @@ parse_lookup(FILE *f, int af)
 
        while (fgets(line, sizeof(line), f) != NULL) {
                s = strtok(line, " \t\n");
+               if (s == NULL)
+                       return -EINVAL;
                ret = inet_pton(af, s, &tbl[i]);
                if (ret != 1)
                        return -EINVAL;