The sysfs core now allows instances of 'struct bin_attribute' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
drivers/platform/x86/intel/pmt/class.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/intel/pmt/class.c b/drivers/platform/x86/intel/pmt/class.c
index 3c53cab033277bccc981310389f7dc47737825f4..65f26267ff49c39e3e143fa7eedb8df23d3ddc1d 100644
--- a/drivers/platform/x86/intel/pmt/class.c
+++ b/drivers/platform/x86/intel/pmt/class.c
@@ -81,7 +81,7 @@ EXPORT_SYMBOL_NS_GPL(pmt_telem_read_mmio, INTEL_PMT);
*/
static ssize_t
intel_pmt_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf, loff_t off,
+ const struct bin_attribute *attr, char *buf, loff_t off,
size_t count)
{
struct intel_pmt_entry *entry = container_of(attr,
@@ -308,7 +308,7 @@ static int intel_pmt_dev_register(struct intel_pmt_entry *entry,
entry->pmt_bin_attr.attr.name = ns->name;
entry->pmt_bin_attr.attr.mode = 0440;
entry->pmt_bin_attr.mmap = intel_pmt_mmap;
- entry->pmt_bin_attr.read = intel_pmt_read;
+ entry->pmt_bin_attr.read_new = intel_pmt_read;
entry->pmt_bin_attr.size = entry->size;
ret = sysfs_create_bin_file(&dev->kobj, &entry->pmt_bin_attr);
--
2.47.1
