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authorTejun Heo <tj@kernel.org>2011-05-24 09:59:36 +0200
committerTejun Heo <tj@kernel.org>2011-05-24 09:59:36 +0200
commit6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch)
treec9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /drivers/scsi/lpfc/lpfc_attr.c
parent0415b00d175e0d8945e6785aad21b5f157976ce0 (diff)
parent6ea0c34dac89611126455537552cffe6c7e832ad (diff)
downloadlinux-6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0.tar.gz
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index e7c020df12fa..4e0faa00b96f 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -685,7 +685,7 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
* -EIO reset not configured or error posting the event
* zero for success
**/
-static int
+int
lpfc_selective_reset(struct lpfc_hba *phba)
{
struct completion online_compl;
@@ -746,7 +746,7 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
int status = -EINVAL;
if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
- status = lpfc_selective_reset(phba);
+ status = phba->lpfc_selective_reset(phba);
if (status == 0)
return strlen(buf);
@@ -1224,7 +1224,10 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr,
if (val & ENABLE_FCP_RING_POLLING) {
if ((val & DISABLE_FCP_RING_INT) &&
!(old_val & DISABLE_FCP_RING_INT)) {
- creg_val = readl(phba->HCregaddr);
+ if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+ spin_unlock_irq(&phba->hbalock);
+ return -EINVAL;
+ }
creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
writel(creg_val, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
@@ -1242,7 +1245,10 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr,
spin_unlock_irq(&phba->hbalock);
del_timer(&phba->fcp_poll_timer);
spin_lock_irq(&phba->hbalock);
- creg_val = readl(phba->HCregaddr);
+ if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+ spin_unlock_irq(&phba->hbalock);
+ return -EINVAL;
+ }
creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
writel(creg_val, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */