netdev - [PATCH net 4/5] pds_core: check for work queue before use

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Message-ID: <20230824161754.34264-5-shannon.nelson@amd.com>
Date: Thu, 24 Aug 2023 09:17:53 -0700
From: Shannon Nelson <shannon.nelson@....com>
To: <shannon.nelson@....com>, <brett.creeley@....com>, <davem@...emloft.net>,
	<netdev@...r.kernel.org>, <kuba@...nel.org>
CC: <drivers@...sando.io>
Subject: [PATCH net 4/5] pds_core: check for work queue before use

Add a check that the wq exists before queuing up work for a
failed devcmd, as the PF is responsible for health and the VF
doesn't have a wq.

Fixes: c2dbb0904310 ("pds_core: health timer and workqueue")
Signed-off-by: Shannon Nelson <shannon.nelson@....com>
Reviewed-by: Brett Creeley <brett.creeley@....com>
---
 drivers/net/ethernet/amd/pds_core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/amd/pds_core/dev.c b/drivers/net/ethernet/amd/pds_core/dev.c
index debe5216fe29..524f422ee7ac 100644
--- a/drivers/net/ethernet/amd/pds_core/dev.c
+++ b/drivers/net/ethernet/amd/pds_core/dev.c
@@ -183,7 +183,7 @@ int pdsc_devcmd_locked(struct pdsc *pdsc, union pds_core_dev_cmd *cmd,
 	err = pdsc_devcmd_wait(pdsc, max_seconds);
 	memcpy_fromio(comp, &pdsc->cmd_regs->comp, sizeof(*comp));
 
-	if (err == -ENXIO || err == -ETIMEDOUT)
+	if ((err == -ENXIO || err == -ETIMEDOUT) && pdsc->wq)
 		queue_work(pdsc->wq, &pdsc->health_work);
 
 	return err;
-- 
2.17.1