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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/1614332590-17865-1-git-send-email-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-02-26 15:50:25 -08:00
parent 82adc457ac 20d7d1c5c9
commit eee7ede695
1 changed files with 15 additions and 2 deletions
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17
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -8556,10 +8556,18 @@ static void bnxt_setup_inta(struct bnxt *bp)
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);
else
@ -8744,7 +8752,7 @@ static int bnxt_init_inta(struct bnxt *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);
@ -9514,7 +9522,8 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
{
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;
@ -9557,6 +9566,7 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
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) {
@ -9890,6 +9900,9 @@ static int bnxt_reinit_after_abort(struct bnxt *bp)
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) {
bnxt_clear_int_mode(bp);