util/cbmem: fix feedback for 'be explicit about memory map sizes'
Julius made some suggestions to fix/improve commit 46300aa2
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Implement those.
BUG=b:66681446
Change-Id: I6becac9ffdcc65745e88734dfb80d12b581584a1
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21757
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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@ -102,7 +102,7 @@ static const void *mapping_virt(const struct mapping *mapping)
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return v + mapping->offset;
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}
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/* Returns 0 on success, < 0 on error. mapping is filled in. */
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/* Returns virtual address on success, NULL on error. mapping is filled in. */
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static const void *map_memory(struct mapping *mapping, unsigned long long phys,
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size_t sz)
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{
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@ -378,14 +378,11 @@ static int parse_cbtable(u64 address, size_t table_size)
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return -1;
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/* look at every 16 bytes */
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for (i = 0; i < req_size; i += 16) {
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for (i = 0; i <= req_size - sizeof(struct lb_header); i += 16) {
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int ret;
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const struct lb_header *lbh;
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struct mapping table_mapping;
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if (req_size - i < sizeof(struct lb_header))
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return -1;
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lbh = buf + i;
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if (memcmp(lbh->signature, "LBIO", sizeof(lbh->signature)) ||
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!lbh->header_bytes ||
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