releases/4.4.9/drm-amdkfd-uninitialized-variable-in-dbgdev_wave_control_set_registers.patch

   1 From 93fce954427effee89e44a976299b15dd75b4bbc Mon Sep 17 00:00:00 2001
   2 From: Dan Carpenter <dan.carpenter@oracle.com>
   3 Date: Fri, 11 Mar 2016 10:51:51 +0300
   4 Subject: drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()
   5
   6 From: Dan Carpenter <dan.carpenter@oracle.com>
   7
   8 commit 93fce954427effee89e44a976299b15dd75b4bbc upstream.
   9
  10 At the end of the function we expect "status" to be zero, but it's
  11 either -EINVAL or uninitialized.
  12
  13 Fixes: 788bf83db301 ('drm/amdkfd: Add wave control operation to debugger')
  14 Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
  15 Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
  16 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  17
  18 ---
  19  drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c |    2 +-
  20  1 file changed, 1 insertion(+), 1 deletion(-)
  21
  22 --- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
  23 +++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
  24 @@ -513,7 +513,7 @@ static int dbgdev_wave_control_set_regis
  25                                 union SQ_CMD_BITS *in_reg_sq_cmd,
  26                                 union GRBM_GFX_INDEX_BITS *in_reg_gfx_index)
  27  {
  28 -       int status;
  29 +       int status = 0;
  30         union SQ_CMD_BITS reg_sq_cmd;
  31         union GRBM_GFX_INDEX_BITS reg_gfx_index;
  32         struct HsaDbgWaveMsgAMDGen2 *pMsg;