diff mbox series

scsi: sg: add sg_remove_request in sg_common_write

Message ID 1586777290-17271-1-git-send-email-huawei.libin@huawei.com (mailing list archive)
State Superseded
Headers show
Series scsi: sg: add sg_remove_request in sg_common_write | expand

Commit Message

Li Bin April 13, 2020, 11:28 a.m. UTC
If the dxfer_len is greater than 256M that the request is invalid,
it should call sg_remove_request in sg_common_write.

Fixes: f930c7043663 ("scsi: sg: only check for dxfer_len greater than 256M")
Signed-off-by: Li Bin <huawei.libin@huawei.com>
---
 drivers/scsi/sg.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 4e6af592..9c0ee19 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -793,8 +793,10 @@  static int get_sg_io_pack_id(int *pack_id, void __user *buf, size_t count)
 			"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) {