From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Fri, 25 Mar 2016 03:53:42 -0300
Subject: Linux-libre 4.5-gnu
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 34 +++++++-------------------------
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 +-
2 files changed, 8 insertions(+), 28 deletions(-)
(limited to 'drivers/gpu/drm/amd/amdkfd')
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index c6a1b4cc6..d2b49c026 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -558,20 +558,10 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep,
return -EINVAL;
/* this is the actual buffer to work with */
-
- args_buff = kmalloc(args->buf_size_in_bytes -
- sizeof(*args), GFP_KERNEL);
- if (args_buff == NULL)
- return -ENOMEM;
-
- status = copy_from_user(args_buff, cmd_from_user,
+ args_buff = memdup_user(cmd_from_user,
args->buf_size_in_bytes - sizeof(*args));
-
- if (status != 0) {
- pr_debug("Failed to copy address watch user data\n");
- kfree(args_buff);
- return -EINVAL;
- }
+ if (IS_ERR(args_buff))
+ return PTR_ERR(args_buff);
aw_info.process = p;
@@ -677,22 +667,12 @@ static int kfd_ioctl_dbg_wave_control(struct file *filep,
if (cmd_from_user == NULL)
return -EINVAL;
- /* this is the actual buffer to work with */
-
- args_buff = kmalloc(args->buf_size_in_bytes - sizeof(*args),
- GFP_KERNEL);
-
- if (args_buff == NULL)
- return -ENOMEM;
+ /* copy the entire buffer from user */
- /* Now copy the entire buffer from user */
- status = copy_from_user(args_buff, cmd_from_user,
+ args_buff = memdup_user(cmd_from_user,
args->buf_size_in_bytes - sizeof(*args));
- if (status != 0) {
- pr_debug("Failed to copy wave control user data\n");
- kfree(args_buff);
- return -EINVAL;
- }
+ if (IS_ERR(args_buff))
+ return PTR_ERR(args_buff);
/* move ptr to the start of the "pay-load" area */
wac_info.process = p;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 9be007081..a902ae037 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -194,7 +194,7 @@ static void kfd_process_wq_release(struct work_struct *work)
kfree(p);
- kfree((void *)work);
+ kfree(work);
}
static void kfd_process_destroy_delayed(struct rcu_head *rcu)
--
cgit v1.2.3-54-g00ecf