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vdpa/octeon_ep: Fix error code in octep_process_mbox()

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Return -EINVAL for invalid signatures.  Don't return success.

Fixes: 8b6c724cda ("virtio: vdpa: vDPA driver for Marvell OCTEON DPU devices")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Message-Id: <623e885b-1a05-479e-ab97-01bcf10bf5b8@stanley.mountain>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Dan Carpenter 2024-07-12 09:06:12 -05:00 committed by Michael S. Tsirkin
parent 69eced9eb4
commit e14f480df7
1 changed files with 1 additions and 1 deletions
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2
drivers/vdpa/octeon_ep/octep_vdpa_hw.c
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@ -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);