octeontx2-af: Fix static code analyzer reported issues

This patch fixes the static code analyzer reported issues
in rvu_npc.c. The reported errors are different sizes of
operands in bitops and returning uninitialized values.

Fixes: 651cd2652339 ("octeontx2-af: MCAM entry installation support")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index 9aeecb8..4d94bd0 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -20,7 +20,7 @@
 #define RSVD_MCAM_ENTRIES_PER_NIXLF    1 /* Ucast for LFs */
 
 #define NPC_PARSE_RESULT_DMAC_OFFSET   8
-#define NPC_HW_TSTAMP_OFFSET           8
+#define NPC_HW_TSTAMP_OFFSET           8ULL
 #define NPC_KEX_CHAN_MASK              0xFFFULL
 #define NPC_KEX_PF_FUNC_MASK           0xFFFFULL
 
@@ -2154,7 +2154,7 @@ static void npc_unmap_mcam_entry_and_cntr(struct rvu *rvu,
                                          int blkaddr, u16 entry, u16 cntr)
 {
        u16 index = entry & (mcam->banksize - 1);
-       u16 bank = npc_get_bank(mcam, entry);
+       u32 bank = npc_get_bank(mcam, entry);
 
        /* Remove mapping and reduce counter's refcnt */
        mcam->entry2cntr_map[entry] = NPC_MCAM_INVALID_MAP;
@@ -2777,8 +2777,8 @@ int rvu_mbox_handler_npc_mcam_shift_entry(struct rvu *rvu,
        struct npc_mcam *mcam = &rvu->hw->mcam;
        u16 pcifunc = req->hdr.pcifunc;
        u16 old_entry, new_entry;
+       int blkaddr, rc = 0;
        u16 index, cntr;
-       int blkaddr, rc;
 
        blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
        if (blkaddr < 0)