Merge branch 'bnxt_en-error-recovery-bug-fixes'

Michael Chan says:

====================
bnxt_en: Error recovery bug fixes.

Two error recovery related bug fixes for 2 corner cases.

Please queue patch #2 for -stable. Thanks.
====================

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

···
 	bp->irq_tbl[0].handler = bnxt_inta;
 }
 
+static int bnxt_init_int_mode(struct bnxt *bp);
+
 static int bnxt_setup_int_mode(struct bnxt *bp)
 {
 	int rc;
+
+	if (!bp->irq_tbl) {
+		rc = bnxt_init_int_mode(bp);
+		if (rc || !bp->irq_tbl)
+			return rc ?: -ENODEV;
+	}
 
 	if (bp->flags & BNXT_FLAG_USING_MSIX)
 		bnxt_setup_msix(bp);
···
 
 static int bnxt_init_int_mode(struct bnxt *bp)
 {
-	int rc = 0;
+	int rc = -ENODEV;
 
 	if (bp->flags & BNXT_FLAG_MSIX_CAP)
 		rc = bnxt_init_msix(bp);
···
 {
 	struct hwrm_func_drv_if_change_output *resp = bp->hwrm_cmd_resp_addr;
 	struct hwrm_func_drv_if_change_input req = {0};
-	bool resc_reinit = false, fw_reset = false;
+	bool fw_reset = !bp->irq_tbl;
+	bool resc_reinit = false;
 	int rc, retry = 0;
 	u32 flags = 0;
 
···
 
 	if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state) && !fw_reset) {
 		netdev_err(bp->dev, "RESET_DONE not set during FW reset.\n");
+		set_bit(BNXT_STATE_ABORT_ERR, &bp->state);
 		return -ENODEV;
 	}
 	if (resc_reinit || fw_reset) {
···
 
 	if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
 		return -EBUSY;
+
+	if (bp->dev->reg_state == NETREG_UNREGISTERED)
+		return -ENODEV;
 
 	rc = bnxt_fw_init_one(bp);
 	if (!rc) {