Eric Blake 5dc404b71d storage: avoid crash on parse error
Coverity detected that we could crash on bogus input.  Meanwhile,
strtok_r is rather heavy compared to strchr.

* src/storage/storage_backend_iscsi.c (virStorageBackendIQNFound):
  Check for parse failure, and use lighter-weight functions.
2011-07-04 10:41:38 +08:00
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