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Commit 6575366a authored May 12, 2020 by Veera Sundaram Sankaran

disp: msm: sde: fix possible null pointer dereference



Fix a possible uninitialized variable usage in sde
catalog and a null pointer dereference in sde crtc.

Change-Id: I4299ade65fa7cf5bfc3d60d6d7a368d523286626
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>

parent e2f98dc7

msm/sde/sde_crtc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1299,7 +1299,8 @@ static void _sde_crtc_set_src_split_order(struct drm_crtc *crtc,
		prv_pstate = (i > 0) ? &pstates[i - 1] : NULL;
		cur_pstate = &pstates[i];
		nxt_pstate = ((i + 1) < cnt) ? &pstates[i + 1] : NULL;
		prev_layout = prv_pstate->sde_pstate->layout;
		prev_layout = prv_pstate ? prv_pstate->sde_pstate->layout :
		SDE_LAYOUT_NONE;
		cur_layout = cur_pstate->sde_pstate->layout;

		if ((!prv_pstate) \|\| (prv_pstate->stage != cur_pstate->stage)

msm/sde/sde_hw_catalog.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -3010,6 +3010,7 @@ static int sde_vdc_parse_dt(struct device_node *np,
		rc = 0;
		} else {
		SDE_ERROR("invalid vdc configuration\n");
		goto end;
		}

		rc = _read_dt_entry(np, vdc_prop, ARRAY_SIZE(vdc_prop), prop_count,