[4.2.y-ckt stable] Patch "drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()" has been added to the 4.2.y-ckt tree

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()

to the linux-4.2.y-queue branch of the 4.2.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-4.2.y-queue

This patch is scheduled to be released in version 4.2.8-ckt7.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 4.2.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

---8<------------------------------------------------------------

>From 111da9da2a64391b4085a1e372c46153a7f3df8d Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter at oracle.com>
Date: Fri, 11 Mar 2016 10:51:51 +0300
Subject: drm/amdkfd: uninitialized variable in
 dbgdev_wave_control_set_registers()

commit 93fce954427effee89e44a976299b15dd75b4bbc upstream.

At the end of the function we expect "status" to be zero, but it's
either -EINVAL or uninitialized.

Fixes: 788bf83db301 ('drm/amdkfd: Add wave control operation to debugger')
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
index c34c393..d5e19b5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
@@ -513,7 +513,7 @@ static int dbgdev_wave_control_set_registers(
 				union SQ_CMD_BITS *in_reg_sq_cmd,
 				union GRBM_GFX_INDEX_BITS *in_reg_gfx_index)
 {
-	int status;
+	int status = 0;
 	union SQ_CMD_BITS reg_sq_cmd;
 	union GRBM_GFX_INDEX_BITS reg_gfx_index;
 	struct HsaDbgWaveMsgAMDGen2 *pMsg;
--
2.7.4