[PATCH 74/83] hsa/radeon: Adding some error messages

[Oded Gabbay]

From: Ben Goz <ben....@amd.com>

Signed-off-by: Ben Goz <ben.goz at amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
---
 drivers/gpu/hsa/radeon/kfd_chardev.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/hsa/radeon/kfd_chardev.c 
b/drivers/gpu/hsa/radeon/kfd_chardev.c
index 09c9a61..be89d26 100644
--- a/drivers/gpu/hsa/radeon/kfd_chardev.c
+++ b/drivers/gpu/hsa/radeon/kfd_chardev.c
@@ -137,11 +137,15 @@ kfd_ioctl_create_queue(struct file *filep, struct 
kfd_process *p, void __user *a
        if (copy_from_user(&args, arg, sizeof(args)))
                return -EFAULT;

-       if (!access_ok(VERIFY_WRITE, args.read_pointer_address, sizeof(qptr_t)))
+       if (!access_ok(VERIFY_WRITE, args.read_pointer_address, 
sizeof(qptr_t))) {
+               pr_err("kfd: can't access read pointer");
                return -EFAULT;
+       }

-       if (!access_ok(VERIFY_WRITE, args.write_pointer_address, 
sizeof(qptr_t)))
+       if (!access_ok(VERIFY_WRITE, args.write_pointer_address, 
sizeof(qptr_t))) {
+               pr_err("kfd: can't access write pointer");
                return -EFAULT;
+       }

        q_properties.is_interop = false;
        q_properties.queue_percent = args.queue_percentage;
-- 
1.9.1