From e3544511b3e900d961d370c7b9cadc51c63ec64c Mon Sep 17 00:00:00 2001 From: Li Bin Date: Mon, 13 Apr 2020 19:29:21 +0800 Subject: scsi: sg: add sg_remove_request in sg_common_write commit 849f8583e955dbe3a1806e03ecacd5e71cce0a08 upstream. If the dxfer_len is greater than 256M then the request is invalid and we need to call sg_remove_request in sg_common_write. Link: https://lore.kernel.org/r/1586777361-17339-1-git-send-email-huawei.libin@huawei.com Fixes: f930c7043663 ("scsi: sg: only check for dxfer_len greater than 256M") Acked-by: Douglas Gilbert Signed-off-by: Li Bin Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/sg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 8d9b416399f9..c924df5538dd 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -809,8 +809,10 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, "sg_common_write: scsi opcode=0x%02x, cmd_size=%d\n", (int) cmnd[0], (int) hp->cmd_len)); - if (hp->dxfer_len >= SZ_256M) + if (hp->dxfer_len >= SZ_256M) { + sg_remove_request(sfp, srp); return -EINVAL; + } k = sg_start_req(srp, cmnd); if (k) { -- cgit v1.2.3