[patch] qed: signedness bug in qed_dcbx_process_tlv()

[Dan Carpenter]

"priority" needs to be signed for the error handling to work.

Fixes: 39651abd2814 ('qed: add support for dcbx.')
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
Applies to the main net tree.

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c 
b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index cbf58e1..a06d19a 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -192,9 +192,10 @@ qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn,
                     struct dcbx_app_priority_entry *p_tbl,
                     u32 pri_tc_tbl, int count, bool dcbx_enabled)
 {
-       u8 tc, priority, priority_map;
+       u8 tc, priority_map;
        enum dcbx_protocol_type type;
        u16 protocol_id;
+       int priority;
        bool enable;
        int i;