diff options
Diffstat (limited to 'payloads/libpayload/libcbfs/ram_media.c')
| -rw-r--r-- | payloads/libpayload/libcbfs/ram_media.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/payloads/libpayload/libcbfs/ram_media.c b/payloads/libpayload/libcbfs/ram_media.c index 87b5292b63..1a0500e1be 100644 --- a/payloads/libpayload/libcbfs/ram_media.c +++ b/payloads/libpayload/libcbfs/ram_media.c @@ -43,7 +43,11 @@ static int ram_open(struct cbfs_media *media) { static void *ram_map(struct cbfs_media *media, size_t offset, size_t count) { struct ram_media *m = (struct ram_media*)media->context; - if (offset + count >= m->size) { + /* assume addressing from top of image in this case */ + if (offset > 0xf0000000) { + offset = m->size + offset; + } + if (offset + count > m->size) { printf("ERROR: ram_map: request out of range (0x%x+0x%x)\n", offset, count); return NULL; |