sysfs: add struct file* to bin_attr callbacks

This allows bin_attr->read,write,mmap callbacks to check file specific data
(such as inode owner) as part of any privilege validation.

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 15 insertions, 5 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2e5f376d9ccc..bf33b315f93e 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -2643,6 +2643,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
 
 /**
  * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
+ * @filp: sysfs file
  * @kobj: Pointer to the kernel object
  * @bin_attr: Attribute object
  * @buff: Buffer pointer
@@ -2654,7 +2655,8 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
  * applications.
  **/
 static ssize_t
-sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj,
+                struct bin_attribute *bin_attr,
                 char *buf, loff_t off, size_t count)
 {
         struct device *dev = container_of(kobj, struct device,
@@ -3362,6 +3364,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
 
 /**
  * sysfs_ctlreg_write - Write method for writing to ctlreg
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: contains the data to be written to the adapter IOREG space.
@@ -3379,7 +3382,8 @@ struct device_attribute *lpfc_vport_attrs[] = {
  * value of count, buf contents written
  **/
 static ssize_t
-sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
+                   struct bin_attribute *bin_attr,
                    char *buf, loff_t off, size_t count)
 {
         size_t buf_off;
@@ -3415,6 +3419,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * sysfs_ctlreg_read - Read method for reading from ctlreg
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: if successful contains the data from the adapter IOREG space.
@@ -3431,7 +3436,8 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
  * value of count, buf contents read
  **/
 static ssize_t
-sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
+                  struct bin_attribute *bin_attr,
                   char *buf, loff_t off, size_t count)
 {
         size_t buf_off;
@@ -3496,6 +3502,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba)
 
 /**
  * sysfs_mbox_write - Write method for writing information via mbox
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: contains the data to be written to sysfs mbox.
@@ -3516,7 +3523,8 @@ sysfs_mbox_idle(struct lpfc_hba *phba)
  * count number of bytes transferred
  **/
 static ssize_t
-sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_mbox_write(struct file *filp, struct kobject *kobj,
+                 struct bin_attribute *bin_attr,
                  char *buf, loff_t off, size_t count)
 {
         struct device *dev = container_of(kobj, struct device, kobj);
@@ -3571,6 +3579,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * sysfs_mbox_read - Read method for reading information via mbox
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: contains the data to be read from sysfs mbox.
@@ -3593,7 +3602,8 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
  * count number of bytes transferred
  **/
 static ssize_t
-sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_mbox_read(struct file *filp, struct kobject *kobj,
+                struct bin_attribute *bin_attr,
                 char *buf, loff_t off, size_t count)
 {
         struct device *dev = container_of(kobj, struct device, kobj);