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drm: atomic helper: do not unreference error pointer 

562c5b4d89 didn't quite fix the issue of dealing with an error
pointer. We can't free/unref an error pointer so reset it to NULL.

Many thanks to Dan Carpenter for pointing this out again.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: dri-devel@lists.freedesktop.org
Fixes: 562c5b4d89 ("drm: fix blob pointer check")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1457698646-22231-1-git-send-email-lionel.g.landwerlin@intel.com
hifive-unleashed-5.1
Lionel Landwerlin 2016-03-11 12:17:26 +00:00 committed by Daniel Vetter
parent 7c01878254
commit c1f415c9ac
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/drm_atomic_helper.c
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@ -2926,6 +2926,7 @@ void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
NULL);
if (IS_ERR(blob)) {
ret = PTR_ERR(blob);
blob = NULL;
goto fail;
}