diff mbox

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

Message ID 1405029279-6894-46-git-send-email-oded.gabbay@amd.com (mailing list archive)
State New, archived
Headers show

Commit Message

Oded Gabbay July 10, 2014, 9:54 p.m. UTC 
From: Ben Goz <ben.goz@amd.com>

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

Patch

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;