Commit 1e1ea48d authored by Stefan Hajnoczi's avatar Stefan Hajnoczi Committed by Kevin Wolf
Browse files

block: Free iovec arrays allocated by multiwrite_merge() 



A new iovec array is allocated when creating a merged write request.
This patch ensures that the iovec array is deleted in addition to its
qiov owner.

Reported-by: default avatarLeszek Urbanski <tygrys@moo.pl>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent d4c146f0

block.c

+3 −0
Original line number Diff line number Diff line
@@ -1739,6 +1739,9 @@ static void multiwrite_user_cb(MultiwriteCB *mcb) 


    for (i = 0; i < mcb->num_callbacks; i++) {

        mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error);

        if (mcb->callbacks[i].free_qiov) {

            qemu_iovec_destroy(mcb->callbacks[i].free_qiov);

        }

        qemu_free(mcb->callbacks[i].free_qiov);

        qemu_vfree(mcb->callbacks[i].free_buf);

    }