X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=block%2Fbochs.c;h=51d9a905772e1f989abc018910178d90bb8a4b70;hb=8b7acc79b9adb4dda6cc867b90e3a1e873f4f7e8;hp=37375834e96cf7ffcaf30219592b227cdcc27757;hpb=ec9466ff2e50213c8318ffdd7003f345278ab795;p=qemu.git diff --git a/block/bochs.c b/block/bochs.c index 37375834e..51d9a9057 100644 --- a/block/bochs.c +++ b/block/bochs.c @@ -108,17 +108,20 @@ static int bochs_probe(const uint8_t *buf, int buf_size, const char *filename) return 0; } -static int bochs_open(BlockDriverState *bs, int flags) +static int bochs_open(BlockDriverState *bs, QDict *options, int flags, + Error **errp) { BDRVBochsState *s = bs->opaque; int i; struct bochs_header bochs; struct bochs_header_v1 header_v1; + int ret; bs->read_only = 1; // no write support yet - if (bdrv_pread(bs->file, 0, &bochs, sizeof(bochs)) != sizeof(bochs)) { - goto fail; + ret = bdrv_pread(bs->file, 0, &bochs, sizeof(bochs)); + if (ret < 0) { + return ret; } if (strcmp(bochs.magic, HEADER_MAGIC) || @@ -138,9 +141,13 @@ static int bochs_open(BlockDriverState *bs, int flags) s->catalog_size = le32_to_cpu(bochs.extra.redolog.catalog); s->catalog_bitmap = g_malloc(s->catalog_size * 4); - if (bdrv_pread(bs->file, le32_to_cpu(bochs.header), s->catalog_bitmap, - s->catalog_size * 4) != s->catalog_size * 4) - goto fail; + + ret = bdrv_pread(bs->file, le32_to_cpu(bochs.header), s->catalog_bitmap, + s->catalog_size * 4); + if (ret < 0) { + goto fail; + } + for (i = 0; i < s->catalog_size; i++) le32_to_cpus(&s->catalog_bitmap[i]); @@ -153,8 +160,10 @@ static int bochs_open(BlockDriverState *bs, int flags) qemu_co_mutex_init(&s->lock); return 0; - fail: - return -1; + +fail: + g_free(s->catalog_bitmap); + return ret; } static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num)