Patch "drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()" has been added to the 4.5-stable tree

Patch "drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()" has been added to the 4.5-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()

to the 4.5-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amdkfd-uninitialized-variable-in-dbgdev_wave_control_set_registers.patch
and it can be found in the queue-4.5 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 93fce954427effee89e44a976299b15dd75b4bbc Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 11 Mar 2016 10:51:51 +0300
Subject: drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()

From: Dan Carpenter <dan.carpenter@oracle.com>

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@oracle.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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_regis
 				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;


Patches currently in stable-queue which might be from dan.carpenter@oracle.com are

queue-4.5/drm-amdkfd-uninitialized-variable-in-dbgdev_wave_control_set_registers.patch