From: Letu Ren Date: Sun, 25 Jul 2021 13:45:12 +0000 (+0800) Subject: net/qla3xxx: fix schedule while atomic in ql_wait_for_drvr_lock and ql_adapter_reset X-Git-Tag: v4.19.203~2 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=fa73444311956b5b1f14382ef0f6e32198c1c363;p=users%2Fdwmw2%2Flinux.git net/qla3xxx: fix schedule while atomic in ql_wait_for_drvr_lock and ql_adapter_reset [ Upstream commit 92766c4628ea349c8ddab0cd7bd0488f36e5c4ce ] 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 Signed-off-by: Letu Ren Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 2d71646640ac5..f98e2f417c2ea 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -155,7 +155,7 @@ 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"); @@ -3292,7 +3292,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev) if ((value & ISP_CONTROL_SR) == 0) break; - ssleep(1); + mdelay(1000); } while ((--max_wait_time)); /* @@ -3328,7 +3328,7 @@ 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)