diff mbox series

[net-next] ionic: no transition while stopping

Message ID 20220225171618.31733-1-snelson@pensando.io (mailing list archive)
State Accepted
Commit 688a5efe0ced8e2d33624b475ecc96d31020a313
Delegated to: Netdev Maintainers
Headers show
Series [net-next] ionic: no transition while stopping | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 30 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Shannon Nelson Feb. 25, 2022, 5:16 p.m. UTC
Make sure we don't try to transition the fw_status_ready
while we're still in the FW_STOPPING state, else we can
get stuck in limbo waiting on a transition that already
happened.

While we're here we can remove a superfluous check on
the lif pointer.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
---
 drivers/net/ethernet/pensando/ionic/ionic_dev.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org Feb. 28, 2022, 11:50 a.m. UTC | #1
Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Fri, 25 Feb 2022 09:16:18 -0800 you wrote:
> Make sure we don't try to transition the fw_status_ready
> while we're still in the FW_STOPPING state, else we can
> get stuck in limbo waiting on a transition that already
> happened.
> 
> While we're here we can remove a superfluous check on
> the lif pointer.
> 
> [...]

Here is the summary with links:
  - [net-next] ionic: no transition while stopping
    https://git.kernel.org/netdev/net-next/c/688a5efe0ced

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index faeedc8db6f4..9d0514cfeb5c 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -202,21 +202,25 @@  int ionic_heartbeat_check(struct ionic *ionic)
 		}
 	}
 
+	dev_dbg(ionic->dev, "fw_status 0x%02x ready %d idev->ready %d last_hb 0x%x state 0x%02lx\n",
+		fw_status, fw_status_ready, idev->fw_status_ready,
+		idev->last_fw_hb, lif->state[0]);
+
 	/* is this a transition? */
-	if (fw_status_ready != idev->fw_status_ready) {
+	if (fw_status_ready != idev->fw_status_ready &&
+	    !test_bit(IONIC_LIF_F_FW_STOPPING, lif->state)) {
 		bool trigger = false;
 
 		idev->fw_status_ready = fw_status_ready;
 
-		if (!fw_status_ready && lif &&
+		if (!fw_status_ready &&
 		    !test_bit(IONIC_LIF_F_FW_RESET, lif->state) &&
 		    !test_and_set_bit(IONIC_LIF_F_FW_STOPPING, lif->state)) {
 			dev_info(ionic->dev, "FW stopped 0x%02x\n", fw_status);
 			trigger = true;
 
-		} else if (fw_status_ready && lif &&
-			   test_bit(IONIC_LIF_F_FW_RESET, lif->state) &&
-			   !test_bit(IONIC_LIF_F_FW_STOPPING, lif->state)) {
+		} else if (fw_status_ready &&
+			   test_bit(IONIC_LIF_F_FW_RESET, lif->state)) {
 			dev_info(ionic->dev, "FW running 0x%02x\n", fw_status);
 			trigger = true;
 		}