diff options
| -rw-r--r-- | src/lib/imd.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/lib/imd.c b/src/lib/imd.c index 3be38ea678..2b028a7b44 100644 --- a/src/lib/imd.c +++ b/src/lib/imd.c @@ -144,10 +144,11 @@ static int imdr_create_empty(struct imdr *imdr, size_t root_size, /* * root_size needs to be large enough to accommodate root pointer and - * root book keeping structure. The caller needs to ensure there's - * enough room for tracking individual allocations. + * root book keeping structure. Furthermore, there needs to be a space + * for at least one entry covering root region. The caller needs to + * ensure there's enough room for tracking individual allocations. */ - if (root_size < (sizeof(*rp) + sizeof(*r))) + if (root_size < (sizeof(*rp) + sizeof(*r) + sizeof(*e))) return -1; /* For simplicity don't allow sizes or alignments to exceed LIMIT_ALIGN. |