linux-kernel - [PATCH 06/20] phy: exynos-mipi-video: Fixup the test for state->regmap

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Date:	Fri, 13 Mar 2015 17:31:43 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<gregkh@...uxfoundation.org>
CC:	<kishon@...com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 06/20] phy: exynos-mipi-video: Fixup the test for state->regmap

From: Axel Lin <axel.lin@...ics.com>

syscon_regmap_lookup_by_phandle() returns ERR_PTR on error.
Thus don't use null test against state->regmap.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/phy/phy-exynos-mipi-video.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c
index f017b2f..d196493 100644
--- a/drivers/phy/phy-exynos-mipi-video.c
+++ b/drivers/phy/phy-exynos-mipi-video.c
@@ -59,7 +59,7 @@ static int __set_phy_state(struct exynos_mipi_video_phy *state,
 	else
 		reset = EXYNOS4_MIPI_PHY_SRESETN;
 
-	if (state->regmap) {
+	if (!IS_ERR(state->regmap)) {
 		mutex_lock(&state->mutex);
 		regmap_read(state->regmap, offset, &val);
 		if (on)
-- 
1.7.9.5

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