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examples/flow_classify: fix fseek error handling

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Check return value of fseek and exit if non zero.

Coverity issue: 143435
Fixes: bab16ddaf2 ("examples/flow_classify: add sample application")

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>
This commit is contained in:
Bernard Iremonger 2017-11-01 12:10:29 +00:00 committed by Ferruh Yigit
parent 01ac23460c
commit c044ffaa37
1 changed files with 6 additions and 2 deletions
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8
examples/flow_classify/flow_classify.c
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@ -657,13 +657,17 @@ add_rules(const char *rule_path, struct flow_classifier *cls_app)
unsigned int i = 0;
unsigned int total_num = 0;
struct rte_eth_ntuple_filter ntuple_filter;
int ret;
fh = fopen(rule_path, "rb");
if (fh == NULL)
rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__,
rte_exit(EXIT_FAILURE, "%s: fopen %s failed\n", __func__,
rule_path);
fseek(fh, 0, SEEK_SET);
ret = fseek(fh, 0, SEEK_SET);
if (ret)
rte_exit(EXIT_FAILURE, "%s: fseek %d failed\n", __func__,
ret);
i = 0;
while (fgets(buff, LINE_MAX, fh) != NULL) {