net/bnx2x: fix segfaults due to stale interrupt status

[dpdk.git] / drivers / net / bnx2x / bnx2x.c

diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index 4c775c1..26b3828 100644 (file)
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -4201,6 +4201,9 @@ static uint16_t bnx2x_update_dsb_idx(struct bnx2x_softc *sc)
        struct host_sp_status_block *def_sb = sc->def_sb;
        uint16_t rc = 0;
 
+       if (!def_sb)
+               return 0;
+
        mb();                   /* status block is written to by the chip */
 
        if (sc->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
@@ -4525,6 +4528,10 @@ static void bnx2x_handle_fp_tq(struct bnx2x_fastpath *fp, int scan_fp)
        struct bnx2x_softc *sc = fp->sc;
        uint8_t more_rx = FALSE;
 
+       /* Make sure FP is initialized */
+       if (!fp->sb_running_index)
+               return;
+
        PMD_DEBUG_PERIODIC_LOG(DEBUG, sc,
                               "---> FP TASK QUEUE (%d) <--", fp->index);