[PATCH net] qed: Unlock on error in qed_vf_pf_acquire()

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My static checker complains that we're holding a mutex on this error
path.  Let's goto exit instead of returning directly.

Fixes: b0bccb69eba3 ("qed: Change locking scheme for VF channel")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Yuval, could you review this one a bit carefully and also check that my
Fixes tag is correct because I'm not certain.

diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c
index c4c4a408b40b..11d71e5eea14 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_vf.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c
@@ -234,7 +234,7 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
 		/* send acquire request */
 		rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 		if (rc)
-			return rc;
+			goto exit;
 
 		/* copy acquire response from buffer to p_hwfn */
 		memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
--
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