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authorThomas Weißschuh <linux@weissschuh.net>2024-12-16 12:34:50 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-21 09:20:31 +0100
commit2d0f5001b61c4831d413d12c10caed0e99d73b25 (patch)
tree9334b869809909878be103eb50223d5c731345dc /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
parente3626a456599304f59f827494746940ec025ad6f (diff)
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drm/amdgpu: 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: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20241216-sysfs-const-bin_attr-drm-v1-4-210f2b36b9bf@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d100bb7a137c..e6fa63f97687 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -225,7 +225,7 @@ static DEVICE_ATTR(pcie_replay_count, 0444,
amdgpu_device_get_pcie_replay_count, NULL);
static ssize_t amdgpu_sysfs_reg_state_get(struct file *f, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
+ const struct bin_attribute *attr, char *buf,
loff_t ppos, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
@@ -261,8 +261,8 @@ static ssize_t amdgpu_sysfs_reg_state_get(struct file *f, struct kobject *kobj,
return bytes_read;
}
-BIN_ATTR(reg_state, 0444, amdgpu_sysfs_reg_state_get, NULL,
- AMDGPU_SYS_REG_STATE_END);
+static const BIN_ATTR(reg_state, 0444, amdgpu_sysfs_reg_state_get, NULL,
+ AMDGPU_SYS_REG_STATE_END);
int amdgpu_reg_state_sysfs_init(struct amdgpu_device *adev)
{