[PATCH 5.4 162/191] bnxt_en: Remove unnecessary NULL checks for fw_health

Greg Kroah-Hartman
2020-01-02T22:17:27Z

From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>

[ Upstream commit 0797c10d2d1fa0d6f14612404781b348fc757c3e ]

After fixing the allocation of bp->fw_health in the previous patch,
the driver will not go through the fw reset and recovery code paths
if bp->fw_health allocation fails. So we can now remove the
unnecessary NULL checks.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 6 ++----
drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 6 +-----
2 files changed, 3 insertions(+), 9 deletions(-)

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -9953,8 +9953,7 @@ static void bnxt_fw_health_check(struct
struct bnxt_fw_health *fw_health = bp->fw_health;
u32 val;

- if (!fw_health || !fw_health->enabled ||
- test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
+ if (!fw_health->enabled || test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
return;

if (fw_health->tmr_counter) {
@@ -10697,8 +10696,7 @@ static void bnxt_fw_reset_task(struct wo
bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10);
return;
case BNXT_FW_RESET_STATE_ENABLE_DEV:
- if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) &&
- bp->fw_health) {
+ if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) {
u32 val;

val = bnxt_fw_health_readl(bp,
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -19,11 +19,10 @@ static int bnxt_fw_reporter_diagnose(str
struct devlink_fmsg *fmsg)
{
struct bnxt *bp = devlink_health_reporter_priv(reporter);
- struct bnxt_fw_health *health = bp->fw_health;
u32 val, health_status;
int rc;

- if (!health || test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
+ if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
return 0;

val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
@@ -162,9 +161,6 @@ void bnxt_devlink_health_report(struct b
struct bnxt_fw_health *fw_health = bp->fw_health;
struct bnxt_fw_reporter_ctx fw_reporter_ctx;

- if (!fw_health)
- return;
-
fw_reporter_ctx.sp_event = event;
switch (event) {