Return -EINVAL for invalid signatures. Don't return success. Fixes: 8b6c724cdab8 ("virtio: vdpa: vDPA driver for Marvell OCTEON DPU devices") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- Nag mode: When we add a new driver, then could we use the patch prefix for the driver not for the subsystem only. BAD: net: add driver for abc123 GOOD: net/abc123: add driver for abc123 drivers/vdpa/octeon_ep/octep_vdpa_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vdpa/octeon_ep/octep_vdpa_hw.c b/drivers/vdpa/octeon_ep/octep_vdpa_hw.c index 7fa0491bb201..11bd76ae18cf 100644 --- a/drivers/vdpa/octeon_ep/octep_vdpa_hw.c +++ b/drivers/vdpa/octeon_ep/octep_vdpa_hw.c @@ -140,7 +140,7 @@ static int octep_process_mbox(struct octep_hw *oct_hw, u16 id, u16 qid, void *bu val = octep_read_sig(mbox); if ((val & 0xFFFF) != MBOX_RSP_SIG) { dev_warn(&pdev->dev, "Invalid Signature from mbox : %d response\n", id); - return ret; + return -EINVAL; } val = octep_read_sts(mbox); -- 2.43.0