diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_chardev.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 3623538baf6f..be68752c3469 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -158,8 +158,7 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties, } if ((args->ring_base_address) && - (!access_ok(VERIFY_WRITE, - (const void __user *) args->ring_base_address, + (!access_ok((const void __user *) args->ring_base_address, sizeof(uint64_t)))) { pr_err("Can't access ring base address\n"); return -EFAULT; @@ -170,31 +169,27 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties, return -EINVAL; } - if (!access_ok(VERIFY_WRITE, - (const void __user *) args->read_pointer_address, + if (!access_ok((const void __user *) args->read_pointer_address, sizeof(uint32_t))) { pr_err("Can't access read pointer\n"); return -EFAULT; } - if (!access_ok(VERIFY_WRITE, - (const void __user *) args->write_pointer_address, + if (!access_ok((const void __user *) args->write_pointer_address, sizeof(uint32_t))) { pr_err("Can't access write pointer\n"); return -EFAULT; } if (args->eop_buffer_address && - !access_ok(VERIFY_WRITE, - (const void __user *) args->eop_buffer_address, + !access_ok((const void __user *) args->eop_buffer_address, sizeof(uint32_t))) { pr_debug("Can't access eop buffer"); return -EFAULT; } if (args->ctx_save_restore_address && - !access_ok(VERIFY_WRITE, - (const void __user *) args->ctx_save_restore_address, + !access_ok((const void __user *) args->ctx_save_restore_address, sizeof(uint32_t))) { pr_debug("Can't access ctx save restore buffer"); return -EFAULT; @@ -365,8 +360,7 @@ static int kfd_ioctl_update_queue(struct file *filp, struct kfd_process *p, } if ((args->ring_base_address) && - (!access_ok(VERIFY_WRITE, - (const void __user *) args->ring_base_address, + (!access_ok((const void __user *) args->ring_base_address, sizeof(uint64_t)))) { pr_err("Can't access ring base address\n"); return -EFAULT; |