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cov: validate pagesize is not negative

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As _init_free_list() cannot accept negative numbers
This commit is contained in:
Zdenek Kabelac 2019-06-25 15:21:46 +02:00
parent 8bea252a63
commit 7232458b6c
1 changed files with 5 additions and 0 deletions
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5
lib/device/bcache.c
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@ -1040,6 +1040,11 @@ struct bcache *bcache_create(sector_t block_sectors, unsigned nr_cache_blocks,
unsigned max_io = engine->max_io(engine);
long pgsize = sysconf(_SC_PAGESIZE);
if ((pgsize = sysconf(_SC_PAGESIZE)) < 0) {
log_warn("bcache cannot read pagesize.");
return NULL;
}
if (!nr_cache_blocks) {
log_warn("bcache must have at least one cache block");
return NULL;