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From: Letu Ren <fantasquex@gmail.com> To: GR-Linux-NIC-Dev@marvell.com, davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, zheyuma97@gmail.com, Letu Ren <fantasquex@gmail.com> Subject: [PATCH] net/qla3xxx: fix schedule while atomic in ql_wait_for_drvr_lock and ql_adapter_reset Date: Sun, 25 Jul 2021 21:45:12 +0800 [thread overview] Message-ID: <20210725134512.42044-1-fantasquex@gmail.com> (raw) When calling the 'ql_wait_for_drvr_lock' and 'ql_adapter_reset', the driver has already acquired the spin lock, so the driver should not call 'ssleep' in atomic context. This bug can be fixed by using 'mdelay' instead of 'ssleep'. Reported-by: Letu Ren <fantasquex@gmail.com> Signed-off-by: Letu Ren <fantasquex@gmail.com> --- drivers/net/ethernet/qlogic/qla3xxx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 2376b2729633..c00ad57575ea 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -154,7 +154,7 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev) "driver lock acquired\n"); return 1; } - ssleep(1); + mdelay(1000); } while (++i < 10); netdev_err(qdev->ndev, "Timed out waiting for driver lock...\n"); @@ -3274,7 +3274,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev) if ((value & ISP_CONTROL_SR) == 0) break; - ssleep(1); + mdelay(1000); } while ((--max_wait_time)); /* @@ -3310,7 +3310,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev) ispControlStatus); if ((value & ISP_CONTROL_FSR) == 0) break; - ssleep(1); + mdelay(1000); } while ((--max_wait_time)); } if (max_wait_time == 0) -- 2.32.0
next reply other threads:[~2021-07-25 13:45 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-25 13:45 Letu Ren [this message] 2021-07-26 13:20 ` [PATCH] net/qla3xxx: fix schedule while atomic in ql_wait_for_drvr_lock and ql_adapter_reset patchwork-bot+netdevbpf
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