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drm/atomic: fix an error code in mode_fixup()

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Having "ret" be a bool type works for everything except
ret = funcs->atomic_check().  The other functions all return zero on
error but ->atomic_check() returns negative error codes.  We want to
propagate the error code but instead we return 1.

I found this bug with static analysis and I don't know if it affects
run time.

Fixes: 4cd4df8080 ("drm/atomic: Add ->atomic_check() to encoder helpers")
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207234601.GA23981@mwanda
This commit is contained in:
Dan Carpenter 2017-02-08 02:46:01 +03:00 committed by Daniel Vetter
parent 24f76b2c87
commit f9ad86e42d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_atomic_helper.c
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@ -369,7 +369,7 @@ mode_fixup(struct drm_atomic_state *state)
struct drm_connector *connector;
struct drm_connector_state *conn_state;
int i;
bool ret;
int ret;
for_each_crtc_in_state(state, crtc, crtc_state, i) {
if (!crtc_state->mode_changed &&