Fix improper usage of cpu_to_be32 in vpc

cpu_to_be32() is wrong since vhd_type is an enum constant
(just a regular CPU-endian integer).

Signed-off-by: Xiaodong Gong <gordongong0350@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Xiaodong Gong 2014-09-08 22:40:44 +08:00 committed by Kevin Wolf
parent c7c2ff0c7e
commit 0d4cc3e715

View File

@ -489,7 +489,7 @@ static int vpc_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
BDRVVPCState *s = (BDRVVPCState *)bs->opaque; BDRVVPCState *s = (BDRVVPCState *)bs->opaque;
VHDFooter *footer = (VHDFooter *) s->footer_buf; VHDFooter *footer = (VHDFooter *) s->footer_buf;
if (cpu_to_be32(footer->type) != VHD_FIXED) { if (be32_to_cpu(footer->type) != VHD_FIXED) {
bdi->cluster_size = s->block_size; bdi->cluster_size = s->block_size;
} }
@ -506,7 +506,7 @@ static int vpc_read(BlockDriverState *bs, int64_t sector_num,
int64_t sectors, sectors_per_block; int64_t sectors, sectors_per_block;
VHDFooter *footer = (VHDFooter *) s->footer_buf; VHDFooter *footer = (VHDFooter *) s->footer_buf;
if (cpu_to_be32(footer->type) == VHD_FIXED) { if (be32_to_cpu(footer->type) == VHD_FIXED) {
return bdrv_read(bs->file, sector_num, buf, nb_sectors); return bdrv_read(bs->file, sector_num, buf, nb_sectors);
} }
while (nb_sectors > 0) { while (nb_sectors > 0) {
@ -555,7 +555,7 @@ static int vpc_write(BlockDriverState *bs, int64_t sector_num,
int ret; int ret;
VHDFooter *footer = (VHDFooter *) s->footer_buf; VHDFooter *footer = (VHDFooter *) s->footer_buf;
if (cpu_to_be32(footer->type) == VHD_FIXED) { if (be32_to_cpu(footer->type) == VHD_FIXED) {
return bdrv_write(bs->file, sector_num, buf, nb_sectors); return bdrv_write(bs->file, sector_num, buf, nb_sectors);
} }
while (nb_sectors > 0) { while (nb_sectors > 0) {
@ -857,7 +857,7 @@ static int vpc_has_zero_init(BlockDriverState *bs)
BDRVVPCState *s = bs->opaque; BDRVVPCState *s = bs->opaque;
VHDFooter *footer = (VHDFooter *) s->footer_buf; VHDFooter *footer = (VHDFooter *) s->footer_buf;
if (cpu_to_be32(footer->type) == VHD_FIXED) { if (be32_to_cpu(footer->type) == VHD_FIXED) {
return bdrv_has_zero_init(bs->file); return bdrv_has_zero_init(bs->file);
} else { } else {
return 1; return 1;