net/ark: fix return value of null not checked

Coverity issue: 144517
Fixes: 1131cbf0fb2b ("net/ark: stub PMD for Atomic Rules Arkville")
Cc: stable@dpdk.org
Signed-off-by: John Miller <john.miller@atomicrules.com>

diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index 94dee0b..bbff477 100644 (file)
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -899,6 +899,12 @@ process_file_args(const char *key, const char *value, void *extra_args)
        int  size = 0;
        int first = 1;
 
+       if (file == NULL) {
+               PMD_DRV_LOG(ERR, "Unable to open "
+                           "config file %s\n", value);
+               return -1;
+       }
+
        while (fgets(line, sizeof(line), file)) {
                size += strlen(line);
                if (size >= ARK_MAX_ARG_LEN) {