Fix kernel warning for accessing unaligned memory access in driver.
Signed-off-by: Shivasharan S <[email protected]>
Signed-off-by: Kashyap Desai <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Tomas Henzl <[email protected]>
---
drivers/scsi/megaraid/megaraid_sas_base.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c
b/drivers/scsi/megaraid/megaraid_sas_base.c
index b2da257..5d7aa05 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -43,6 +43,7 @@
#include <linux/uio.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
+#include <asm/unaligned.h>
#include <linux/fs.h>
#include <linux/compat.h>
#include <linux/blkdev.h>
@@ -7007,7 +7008,8 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
sense_ptr = (unsigned long *) ((unsigned long)ioc->frame.raw +
ioc->sense_off);
- if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)),
+ if (copy_to_user((void __user *)((unsigned long)
+ get_unaligned((unsigned long *)sense_ptr)),
sense, ioc->sense_len)) {
dev_err(&instance->pdev->dev, "Failed to copy out to
user "
"sense data\n");
--
2.8.3
