target/linux/layerscape/patches-4.4/7177-staging-fsl-mc-return-EINVAL-for-all-fsl_mc_portal_a.patch

   1 From 324147c1a6806301d9441a8d83c7c5ac880140cd Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
   3 Date: Mon, 11 Apr 2016 11:56:16 -0500
   4 Subject: [PATCH 177/226] staging: fsl-mc: return -EINVAL for all
   5  fsl_mc_portal_allocate() failures
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 There are some error paths that allow for a NULL new_mc_io and err = 0
  11 return code. Return -EINVAL instead.
  12
  13 Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
  14 Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
  15 Acked-by: German Rivera <german.rivera@nxp.com>
  16 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  17 ---
  18  drivers/staging/fsl-mc/bus/mc-allocator.c |    1 +
  19  1 file changed, 1 insertion(+)
  20
  21 --- a/drivers/staging/fsl-mc/bus/mc-allocator.c
  22 +++ b/drivers/staging/fsl-mc/bus/mc-allocator.c
  23 @@ -293,6 +293,7 @@ int __must_check fsl_mc_portal_allocate(
  24         if (error < 0)
  25                 return error;
  26
  27 +       error = -EINVAL;
  28         dpmcp_dev = resource->data;
  29         if (WARN_ON(!dpmcp_dev))
  30                 goto error_cleanup_resource;