1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 2968c6b83ddb..78d616315d8e 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1686,14 +1686,9 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd)
                 int len, size = sizeof(struct sg_iovec) * iov_count;
                 struct iovec *iov;
 
-                iov = kmalloc(size, GFP_ATOMIC);
-                if (!iov)
-                        return -ENOMEM;
-
-                if (copy_from_user(iov, hp->dxferp, size)) {
-                        kfree(iov);
-                        return -EFAULT;
-                }
+                iov = memdup_user(hp->dxferp, size);
+                if (IS_ERR(iov))
+                        return PTR_ERR(iov);
 
                 len = iov_length(iov, iov_count);
                 if (hp->dxfer_len < len) {