eal/linux: fix illegal memory access in uevent handler
[dpdk.git] / lib / eal / freebsd / eal.c
index 503e276..71993fe 100644 (file)
@@ -72,62 +72,6 @@ struct lcore_config lcore_config[RTE_MAX_LCORE];
 /* used by rte_rdtsc() */
 int rte_cycles_vmware_tsc_map;
 
-static const char *default_runtime_dir = "/var/run";
-
-int
-eal_create_runtime_dir(void)
-{
-       const char *directory = default_runtime_dir;
-       const char *xdg_runtime_dir = getenv("XDG_RUNTIME_DIR");
-       const char *fallback = "/tmp";
-       char run_dir[PATH_MAX];
-       char tmp[PATH_MAX];
-       int ret;
-
-       if (getuid() != 0) {
-               /* try XDG path first, fall back to /tmp */
-               if (xdg_runtime_dir != NULL)
-                       directory = xdg_runtime_dir;
-               else
-                       directory = fallback;
-       }
-       /* create DPDK subdirectory under runtime dir */
-       ret = snprintf(tmp, sizeof(tmp), "%s/dpdk", directory);
-       if (ret < 0 || ret == sizeof(tmp)) {
-               RTE_LOG(ERR, EAL, "Error creating DPDK runtime path name\n");
-               return -1;
-       }
-
-       /* create prefix-specific subdirectory under DPDK runtime dir */
-       ret = snprintf(run_dir, sizeof(run_dir), "%s/%s",
-                       tmp, eal_get_hugefile_prefix());
-       if (ret < 0 || ret == sizeof(run_dir)) {
-               RTE_LOG(ERR, EAL, "Error creating prefix-specific runtime path name\n");
-               return -1;
-       }
-
-       /* create the path if it doesn't exist. no "mkdir -p" here, so do it
-        * step by step.
-        */
-       ret = mkdir(tmp, 0700);
-       if (ret < 0 && errno != EEXIST) {
-               RTE_LOG(ERR, EAL, "Error creating '%s': %s\n",
-                       tmp, strerror(errno));
-               return -1;
-       }
-
-       ret = mkdir(run_dir, 0700);
-       if (ret < 0 && errno != EEXIST) {
-               RTE_LOG(ERR, EAL, "Error creating '%s': %s\n",
-                       run_dir, strerror(errno));
-               return -1;
-       }
-
-       if (eal_set_runtime_dir(run_dir))
-               return -1;
-
-       return 0;
-}
 
 int
 eal_clean_runtime_dir(void)
@@ -138,38 +82,6 @@ eal_clean_runtime_dir(void)
        return 0;
 }
 
-/* parse a sysfs (or other) file containing one integer value */
-int
-eal_parse_sysfs_value(const char *filename, unsigned long *val)
-{
-       FILE *f;
-       char buf[BUFSIZ];
-       char *end = NULL;
-
-       if ((f = fopen(filename, "r")) == NULL) {
-               RTE_LOG(ERR, EAL, "%s(): cannot open sysfs value %s\n",
-                       __func__, filename);
-               return -1;
-       }
-
-       if (fgets(buf, sizeof(buf), f) == NULL) {
-               RTE_LOG(ERR, EAL, "%s(): cannot read sysfs value %s\n",
-                       __func__, filename);
-               fclose(f);
-               return -1;
-       }
-       *val = strtoul(buf, &end, 0);
-       if ((buf[0] == '\0') || (end == NULL) || (*end != '\n')) {
-               RTE_LOG(ERR, EAL, "%s(): cannot parse sysfs value %s\n",
-                               __func__, filename);
-               fclose(f);
-               return -1;
-       }
-       fclose(f);
-       return 0;
-}
-
-
 /* create memory configuration in shared/mmap memory. Take out
  * a write lock on the memsegs, so we can auto-detect primary/secondary.
  * This means we never close the file while running (auto-close on exit).
@@ -544,9 +456,7 @@ eal_parse_args(int argc, char **argv)
                                RTE_LOG(ERR, EAL, "Could not store mbuf pool ops name\n");
                        else {
                                /* free old ops name */
-                               if (internal_conf->user_mbuf_pool_ops_name !=
-                                               NULL)
-                                       free(internal_conf->user_mbuf_pool_ops_name);
+                               free(internal_conf->user_mbuf_pool_ops_name);
 
                                internal_conf->user_mbuf_pool_ops_name =
                                                ops_name;