diff options
| -rw-r--r-- | util/cbmem/cbmem.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c index b4f41d2072..dea2c0b11e 100644 --- a/util/cbmem/cbmem.c +++ b/util/cbmem/cbmem.c @@ -102,7 +102,7 @@ static const void *mapping_virt(const struct mapping *mapping) return v + mapping->offset; } -/* Returns 0 on success, < 0 on error. mapping is filled in. */ +/* Returns virtual address on success, NULL on error. mapping is filled in. */ static const void *map_memory(struct mapping *mapping, unsigned long long phys, size_t sz) { @@ -378,14 +378,11 @@ static int parse_cbtable(u64 address, size_t table_size) return -1; /* look at every 16 bytes */ - for (i = 0; i < req_size; i += 16) { + for (i = 0; i <= req_size - sizeof(struct lb_header); i += 16) { int ret; const struct lb_header *lbh; struct mapping table_mapping; - if (req_size - i < sizeof(struct lb_header)) - return -1; - lbh = buf + i; if (memcmp(lbh->signature, "LBIO", sizeof(lbh->signature)) || !lbh->header_bytes || |