Commit 1d36e3aa authored by Kevin Wolf's avatar Kevin Wolf Committed by Anthony Liguori
Browse files

qcow2: Fix error handling in qcow_save_vmstate 



Don't assume success but pass the bdrv_pwrite return value on.

Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent fb8fa77c

block/qcow2.c

+3 −2
Original line number Diff line number Diff line
@@ -1163,12 +1163,13 @@ static int qcow_save_vmstate(BlockDriverState *bs, const uint8_t *buf, 
{

    BDRVQcowState *s = bs->opaque;

    int growable = bs->growable;

    int ret;



    bs->growable = 1;

    bdrv_pwrite(bs, qcow_vm_state_offset(s) + pos, buf, size);

    ret = bdrv_pwrite(bs, qcow_vm_state_offset(s) + pos, buf, size);

    bs->growable = growable;



    return size;

    return ret;

}



static int qcow_load_vmstate(BlockDriverState *bs, uint8_t *buf,