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authorMahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>2014-01-13 13:50:30 +0530
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 10:19:00 -0700
commit6e40e5f021d9f322342f3757d092431ed8c6b6d8 (patch)
treecef679f1db26eea1db9b84eff51f0489e5e6e62e /drivers/scsi/aacraid
parent3de2260140417759c669d391613d583baf03b0cf (diff)
downloadop-kernel-dev-6e40e5f021d9f322342f3757d092431ed8c6b6d8.zip
op-kernel-dev-6e40e5f021d9f322342f3757d092431ed8c6b6d8.tar.gz
[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 <Mahesh.Rajashekhara@pmcs.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/aacraid')
-rw-r--r--drivers/scsi/aacraid/aacraid.h2
-rw-r--r--drivers/scsi/aacraid/rx.c7
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 9323d05..eaaf870 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 dada38a..bb9917c 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)
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