[PATCH RESEND] sep: Fix sign of error return

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

From: Alan Cox <alan@linux.intel.com>

One of our errors wasn't negative as intended. Fix this.
(Found by Hillf Danton)

While we are at it turn user causable messages down to dev_dbg level in the
ioctl paths.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable@kernel.org
---

 drivers/staging/sep/sep_main.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)


diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c
index ad54c2e..f1701bc 100644
--- a/drivers/staging/sep/sep_main.c
+++ b/drivers/staging/sep/sep_main.c
@@ -3114,7 +3114,7 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			current->pid);
 		if (1 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET,
 				  &call_status->status)) {
-			dev_warn(&sep->pdev->dev,
+			dev_dbg(&sep->pdev->dev,
 				"[PID%d] dcb prep needed before send msg\n",
 				current->pid);
 			error = -EPROTO;
@@ -3122,9 +3122,9 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		}
 
 		if (!arg) {
-			dev_warn(&sep->pdev->dev,
+			dev_dbg(&sep->pdev->dev,
 				"[PID%d] dcb null arg\n", current->pid);
-			error = EINVAL;
+			error = -EINVAL;
 			goto end_function;
 		}