From: Harish Chegondi Date: Thu, 1 May 2025 19:14:45 +0000 (-0700) Subject: drm/xe: Use copy_from_user() instead of __copy_from_user() X-Git-Tag: v6.16-rc1~144^2~13^2~5 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aef87a5fdb5117eafb498ac4fc25e9f26f630f45;p=thirdparty%2Flinux.git drm/xe: Use copy_from_user() instead of __copy_from_user() copy_from_user() has more checks and is more safer than __copy_from_user() Suggested-by: Kees Cook Signed-off-by: Harish Chegondi Reviewed-by: Matthew Brost Reviewed-by: Ashutosh Dixit Signed-off-by: Ashutosh Dixit Link: https://lore.kernel.org/r/acabf20aa8621c7bc8de09b1bffb8d14b5376484.1746126614.git.harish.chegondi@intel.com --- diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 3a84a9d92c482..d99d91fe8aa98 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -2569,7 +2569,7 @@ static int gem_create_user_ext_set_property(struct xe_device *xe, int err; u32 idx; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; @@ -2606,7 +2606,7 @@ static int gem_create_user_extensions(struct xe_device *xe, struct xe_bo *bo, if (XE_IOCTL_DBG(xe, ext_number >= MAX_USER_EXTENSIONS)) return -E2BIG; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; diff --git a/drivers/gpu/drm/xe/xe_eu_stall.c b/drivers/gpu/drm/xe/xe_eu_stall.c index e2bb156c71fb0..96732613b4b7d 100644 --- a/drivers/gpu/drm/xe/xe_eu_stall.c +++ b/drivers/gpu/drm/xe/xe_eu_stall.c @@ -283,7 +283,7 @@ static int xe_eu_stall_user_ext_set_property(struct xe_device *xe, u64 extension int err; u32 idx; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; @@ -313,7 +313,7 @@ static int xe_eu_stall_user_extensions(struct xe_device *xe, u64 extension, if (XE_IOCTL_DBG(xe, ext_number >= MAX_USER_EXTENSIONS)) return -E2BIG; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c index b75adfc99fb7c..44364c042ad72 100644 --- a/drivers/gpu/drm/xe/xe_exec.c +++ b/drivers/gpu/drm/xe/xe_exec.c @@ -176,8 +176,8 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file) } if (xe_exec_queue_is_parallel(q)) { - err = __copy_from_user(addresses, addresses_user, sizeof(u64) * - q->width); + err = copy_from_user(addresses, addresses_user, sizeof(u64) * + q->width); if (err) { err = -EFAULT; goto err_syncs; diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 606922d9dd730..21d4ced31dd9b 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -479,7 +479,7 @@ static int exec_queue_user_ext_set_property(struct xe_device *xe, int err; u32 idx; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; @@ -518,7 +518,7 @@ static int exec_queue_user_extensions(struct xe_device *xe, struct xe_exec_queue if (XE_IOCTL_DBG(xe, ext_number >= MAX_USER_EXTENSIONS)) return -E2BIG; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; @@ -618,9 +618,8 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data, if (XE_IOCTL_DBG(xe, !len || len > XE_HW_ENGINE_MAX_INSTANCE)) return -EINVAL; - err = __copy_from_user(eci, user_eci, - sizeof(struct drm_xe_engine_class_instance) * - len); + err = copy_from_user(eci, user_eci, + sizeof(struct drm_xe_engine_class_instance) * len); if (XE_IOCTL_DBG(xe, err)) return -EFAULT; diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c index 346f357b3d1fa..fb842fa0552e5 100644 --- a/drivers/gpu/drm/xe/xe_oa.c +++ b/drivers/gpu/drm/xe/xe_oa.c @@ -1301,7 +1301,7 @@ static int xe_oa_user_ext_set_property(struct xe_oa *oa, enum xe_oa_user_extn_fr int err; u32 idx; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(oa->xe, err)) return -EFAULT; @@ -1338,7 +1338,7 @@ static int xe_oa_user_extensions(struct xe_oa *oa, enum xe_oa_user_extn_from fro if (XE_IOCTL_DBG(oa->xe, ext_number >= MAX_USER_EXTENSIONS)) return -E2BIG; - err = __copy_from_user(&ext, address, sizeof(ext)); + err = copy_from_user(&ext, address, sizeof(ext)); if (XE_IOCTL_DBG(oa->xe, err)) return -EFAULT; @@ -2281,7 +2281,7 @@ int xe_oa_add_config_ioctl(struct drm_device *dev, u64 data, struct drm_file *fi return -EACCES; } - err = __copy_from_user(¶m, u64_to_user_ptr(data), sizeof(param)); + err = copy_from_user(¶m, u64_to_user_ptr(data), sizeof(param)); if (XE_IOCTL_DBG(oa->xe, err)) return -EFAULT; diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 80e56e2326854..62fbc746c883a 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -3101,9 +3101,9 @@ static int vm_bind_ioctl_check_args(struct xe_device *xe, struct xe_vm *vm, if (!*bind_ops) return args->num_binds > 1 ? -ENOBUFS : -ENOMEM; - err = __copy_from_user(*bind_ops, bind_user, - sizeof(struct drm_xe_vm_bind_op) * - args->num_binds); + err = copy_from_user(*bind_ops, bind_user, + sizeof(struct drm_xe_vm_bind_op) * + args->num_binds); if (XE_IOCTL_DBG(xe, err)) { err = -EFAULT; goto free_bind_ops;