Subject: [merged] nbd-zero-from-and-len-fields-in-nbd_cmd_disconnect.patch removed from -mm tree To: kroosec@xxxxxxxxx,Paul.Clements@xxxxxxxxxxxx,hani@xxxxxxxxx,paul.clements@xxxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Mon, 09 Jun 2014 12:41:41 -0700 The patch titled Subject: nbd: zero from and len fields in NBD_CMD_DISCONNECT. has been removed from the -mm tree. Its filename was nbd-zero-from-and-len-fields-in-nbd_cmd_disconnect.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Hani Benhabiles <kroosec@xxxxxxxxx> Subject: nbd: zero from and len fields in NBD_CMD_DISCONNECT. Len field is already set to zero, but not the from field which is sent as 0xfffffffffffffe00. This makes no sense, and may cause confuse server implementations doing sanity checks (qemu-nbd is an example.) Signed-off-by: Hani Benhabiles <hani@xxxxxxxxx> Cc: Paul Clements <paul.clements@xxxxxxxxxxx> Cc: Paul Clements <Paul.Clements@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/block/nbd.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff -puN drivers/block/nbd.c~nbd-zero-from-and-len-fields-in-nbd_cmd_disconnect drivers/block/nbd.c --- a/drivers/block/nbd.c~nbd-zero-from-and-len-fields-in-nbd_cmd_disconnect +++ a/drivers/block/nbd.c @@ -243,14 +243,11 @@ static int nbd_send_req(struct nbd_devic struct nbd_request request; unsigned long size = blk_rq_bytes(req); + memset(&request, 0, sizeof(request)); request.magic = htonl(NBD_REQUEST_MAGIC); request.type = htonl(nbd_cmd(req)); - if (nbd_cmd(req) == NBD_CMD_FLUSH) { - /* Other values are reserved for FLUSH requests. */ - request.from = 0; - request.len = 0; - } else { + if (nbd_cmd(req) != NBD_CMD_FLUSH && nbd_cmd(req) != NBD_CMD_DISC) { request.from = cpu_to_be64((u64)blk_rq_pos(req) << 9); request.len = htonl(size); } _ Patches currently in -mm which might be from kroosec@xxxxxxxxx are origin.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html