From 6e40e5f021d9f322342f3757d092431ed8c6b6d8 Mon Sep 17 00:00:00 2001 From: Mahesh Rajashekhara Date: Mon, 13 Jan 2014 13:50:30 +0530 Subject: [PATCH] [SCSI] aacraid: kdump fix This patch fixes kernel panic issue while booting into the kdump kernel. We have triggered crash and kdump vmcore was successful. No issues seen while booting into the OS. Signed-off-by: Mahesh Rajashekhara Reviewed-by: Tomas Henzl Signed-off-by: James Bottomley --- drivers/scsi/aacraid/aacraid.h | 2 +- drivers/scsi/aacraid/rx.c | 7 ++++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 9323d058706b..eaaf8705a5f4 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -12,7 +12,7 @@ *----------------------------------------------------------------------------*/ #ifndef AAC_DRIVER_BUILD -# define AAC_DRIVER_BUILD 30200 +# define AAC_DRIVER_BUILD 30300 # define AAC_DRIVER_BRANCH "-ms" #endif #define MAXIMUM_NUM_CONTAINERS 32 diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index dada38aeacc0..bb9917c57760 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -480,7 +480,7 @@ static int aac_rx_ioremap(struct aac_dev * dev, u32 size) static int aac_rx_restart_adapter(struct aac_dev *dev, int bled) { - u32 var; + u32 var = 0; if (!(dev->supplement_adapter_info.SupportedOptions2 & AAC_OPTION_MU_RESET) || (bled >= 0) || (bled == -2)) { @@ -500,13 +500,14 @@ static int aac_rx_restart_adapter(struct aac_dev *dev, int bled) if (bled && (bled != -ETIMEDOUT)) return -EINVAL; } - if (bled || (var == 0x3803000F)) { /* USE_OTHER_METHOD */ + if (bled && (var == 0x3803000F)) { /* USE_OTHER_METHOD */ rx_writel(dev, MUnit.reserved2, 3); msleep(5000); /* Delay 5 seconds */ var = 0x00000001; } - if (var != 0x00000001) + if (bled && (var != 0x00000001)) return -EINVAL; + ssleep(5); if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) return -ENODEV; if (startup_timeout < 300) -- 2.20.1