4e1935c2c9
to be in-line with what other implementations in QEMU do. Commit 1d39c7098bbfa6862cb96066c4f8f6735ea397c5 mentions the EIO bit and the function is expected to return 0 upon success (see other implementations). Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>