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authorbo yang <bo.yang@lsi.com>2007-11-09 10:28:47 +0100
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-12 01:22:43 +0100
commitb10c36a57552f03582c0ab3ece04f3cce791922d (patch)
tree6d695d6b4f1026295b481e6cc281bd09133bd1d2 /drivers
parent[SCSI] megaraid_sas: check max_sgl reported by FW for setting max_sectors_per... (diff)
downloadlinux-b10c36a57552f03582c0ab3ece04f3cce791922d.tar.xz
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[SCSI] megaraid_sas: use unsigned long for sense_buff ptr
MegaRAID utilities expect sense_buff to be of type unsigned long. Signed-off-by: Bo Yang <bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 7eefbe0681d6..a58ad61aa36a 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -2825,6 +2825,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
void *sense = NULL;
dma_addr_t sense_handle;
u32 *sense_ptr;
+ unsigned long *sense_buff;
memset(kbuff_arr, 0, sizeof(kbuff_arr));
@@ -2929,14 +2930,16 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
*/
if (ioc->sense_len) {
/*
- * sense_ptr points to the location that has the user
+ * sense_buff points to the location that has the user
* sense buffer address
*/
- sense_ptr = (u32 *) ((unsigned long)ioc->frame.raw +
- ioc->sense_off);
+ sense_buff = (unsigned long *) ((unsigned long)ioc->frame.raw +
+ ioc->sense_off);
- if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)),
- sense, ioc->sense_len)) {
+ if (copy_to_user((void __user *)(unsigned long)(*sense_buff),
+ sense, ioc->sense_len)) {
+ printk(KERN_ERR "megasas: Failed to copy out to user "
+ "sense data\n");
error = -EFAULT;
goto out;
}