diff options
Diffstat (limited to 'block/parallels.c')
| -rw-r--r-- | block/parallels.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/parallels.c b/block/parallels.c index f3ffece..138e618 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -32,7 +32,6 @@ #define HEADER_MAGIC "WithoutFreeSpace" #define HEADER_MAGIC2 "WithouFreSpacExt" #define HEADER_VERSION 2 -#define HEADER_SIZE 64 // always little-endian typedef struct ParallelsHeader { @@ -67,7 +66,7 @@ static int parallels_probe(const uint8_t *buf, int buf_size, const char *filenam { const ParallelsHeader *ph = (const void *)buf; - if (buf_size < HEADER_SIZE) + if (buf_size < sizeof(ParallelsHeader)) return 0; if ((!memcmp(ph->magic, HEADER_MAGIC, 16) || @@ -120,7 +119,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, } s->catalog_size = le32_to_cpu(ph.catalog_entries); - if (s->catalog_size > INT_MAX / 4) { + if (s->catalog_size > INT_MAX / sizeof(uint32_t)) { error_setg(errp, "Catalog too large"); ret = -EFBIG; goto fail; @@ -131,7 +130,8 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, goto fail; } - ret = bdrv_pread(bs->file, 64, s->catalog_bitmap, s->catalog_size * 4); + ret = bdrv_pread(bs->file, sizeof(ParallelsHeader), + s->catalog_bitmap, s->catalog_size * sizeof(uint32_t)); if (ret < 0) { goto fail; } |