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drm/i915: Don't use uninitialized 'ret' 

Accidentally removed the 'ret=0' initialization, and thus
we're potentially looking at some stack garbage here.

The whole 'ret = do_stuff; if (!ret) do_other_stuff;' pattern
confuses my brain so let's replace it with the standard
immediate return thing.

Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: 28a30b45f5 ("drm/i915: Convert cdclk to global state")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200207152228.1054-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä 2020-02-07 17:22:28 +02:00
parent f16ccb6445
commit 40d427931d
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -12843,11 +12843,13 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state,
}
if (INTEL_GEN(dev_priv) >= 9) {
if (mode_changed || crtc_state->update_pipe)
if (mode_changed || crtc_state->update_pipe) {
ret = skl_update_scaler_crtc(crtc_state);
if (!ret)
ret = intel_atomic_setup_scalers(dev_priv, crtc,
crtc_state);
if (ret)
return ret;
}
ret = intel_atomic_setup_scalers(dev_priv, crtc, crtc_state);
if (ret)
return ret;
}