[lkml]   [2019]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH RESEND] drm/msm/mdp5: Fix mdp5_cfg_init error return
If mdp5_cfg_init fails because of an unknown major version, a null pointer
dereference occurs. This is because the caller of init expects error
pointers, but init returns NULL on error. Fix this by returning the
expected values on error.

Fixes: 2e362e1772b8 (drm/msm/mdp5: introduce mdp5_cfg module)
Signed-off-by: Jeffrey Hugo <>
Reviewed-by: Bjorn Andersson <>
drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c
index ea8f7d7daf7f..52e23780fce1 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c
@@ -721,7 +721,7 @@ struct mdp5_cfg_handler *mdp5_cfg_init(struct mdp5_kms *mdp5_kms,
if (cfg_handler)

- return NULL;
+ return ERR_PTR(ret);

static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev)
 \ /
  Last update: 2019-05-21 17:01    [W:0.023 / U:0.804 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site