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vhost: check the strlen of basename

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Change-Id: I0f0eb7edbec71609754a4cda80c578b75c84c87f
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
This commit is contained in:
Ziye Yang 2017-03-24 11:27:43 +08:00 committed by Daniel Verkamp
parent fa9d3466aa
commit e439020961
1 changed files with 3 additions and 2 deletions
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5
lib/vhost/vhost.c
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@ -1127,10 +1127,11 @@ spdk_vhost_startup(void *arg1, void *arg2)
pthread_t tid;
const char *basename = arg1;
if (basename) {
if (basename && strlen(basename) > 0) {
ret = snprintf(dev_dirname, sizeof(dev_dirname) - 2, "%s", basename);
if ((size_t)ret >= sizeof(dev_dirname) - 2)
if ((size_t)ret >= sizeof(dev_dirname) - 2) {
rte_exit(EXIT_FAILURE, "Char dev dir path length %d is too long\n", ret);
}
if (dev_dirname[ret - 1] != '/') {
dev_dirname[ret] = '/';