[PATCH 6/7] fbdev: exynos: fix IS_ERR_VALUE usage

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IS_ERR_VALUE macro should be used only with unsigned long type.
For signed types comparison 'ret < 0' should be used.

The patch follows conclusion from discussion on LKML [1][2].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2120927
[2]: http://permalink.gmane.org/gmane.linux.kernel/2150581

Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
 drivers/video/fbdev/exynos/exynos_mipi_dsi.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/exynos/exynos_mipi_dsi.c b/drivers/video/fbdev/exynos/exynos_mipi_dsi.c
index b527fe4..951b592 100644
--- a/drivers/video/fbdev/exynos/exynos_mipi_dsi.c
+++ b/drivers/video/fbdev/exynos/exynos_mipi_dsi.c
@@ -402,12 +402,12 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
 		goto error;
 	}
 
-	dsim->irq = platform_get_irq(pdev, 0);
-	if (IS_ERR_VALUE(dsim->irq)) {
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to request dsim irq resource\n");
-		ret = -EINVAL;
 		goto error;
 	}
+	dsim->irq = ret;
 
 	init_completion(&dsim_wr_comp);
 	init_completion(&dsim_rd_comp);
-- 
1.9.1

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