diff options
| author | Thomas Weißschuh <linux@weissschuh.net> | 2024-12-16 13:25:12 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-21 09:20:31 +0100 |
| commit | f800cc58598eb4564cabcc4129d5d1a6f7f598b4 (patch) | |
| tree | 3843a4eaa4795fe7bec74ad45e08c6640fedaae4 | |
| parent | 4ab0279857bb0b1c7a1ed61186527e33db693b6e (diff) | |
accel/habanalabs: constify 'struct bin_attribute'
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@weissschuh.net>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/20241216-sysfs-const-bin_attr-habanalabs-v1-1-b35463197efb@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/accel/habanalabs/common/sysfs.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/accel/habanalabs/common/sysfs.c b/drivers/accel/habanalabs/common/sysfs.c index e9f8ccc0bbf9..9d58efa2ff38 100644 --- a/drivers/accel/habanalabs/common/sysfs.c +++ b/drivers/accel/habanalabs/common/sysfs.c @@ -368,7 +368,7 @@ out: } static ssize_t eeprom_read_handler(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, loff_t offset, + const struct bin_attribute *attr, char *buf, loff_t offset, size_t max_size) { struct device *dev = kobj_to_dev(kobj); @@ -443,10 +443,10 @@ static DEVICE_ATTR_RO(security_enabled); static DEVICE_ATTR_RO(module_id); static DEVICE_ATTR_RO(parent_device); -static struct bin_attribute bin_attr_eeprom = { +static const struct bin_attribute bin_attr_eeprom = { .attr = {.name = "eeprom", .mode = (0444)}, .size = PAGE_SIZE, - .read = eeprom_read_handler + .read_new = eeprom_read_handler }; static struct attribute *hl_dev_attrs[] = { @@ -472,14 +472,14 @@ static struct attribute *hl_dev_attrs[] = { NULL, }; -static struct bin_attribute *hl_dev_bin_attrs[] = { +static const struct bin_attribute *const hl_dev_bin_attrs[] = { &bin_attr_eeprom, NULL }; static struct attribute_group hl_dev_attr_group = { .attrs = hl_dev_attrs, - .bin_attrs = hl_dev_bin_attrs, + .bin_attrs_new = hl_dev_bin_attrs, }; static struct attribute_group hl_dev_clks_attr_group; |