From 5024a2b7ae9a92b8ec97ac1507efb283778480ce Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 26 Aug 2014 12:23:52 +0200
Subject: [PATCH] drm: sti: hda: fix return value check in sti_hda_probe()
In case of error, the function devm_ioremap_nocache() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/gpu/drm/sti/sti_hda.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
index 72d957f81c057..2802b81cc9a26 100644
--- a/drivers/gpu/drm/sti/sti_hda.c
+++ b/drivers/gpu/drm/sti/sti_hda.c
@@ -730,16 +730,16 @@ static int sti_hda_probe(struct platform_device *pdev)
return -ENOMEM;
}
hda->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
- if (IS_ERR(hda->regs))
- return PTR_ERR(hda->regs);
+ if (!hda->regs)
+ return -ENOMEM;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"video-dacs-ctrl");
if (res) {
hda->video_dacs_ctrl = devm_ioremap_nocache(dev, res->start,
resource_size(res));
- if (IS_ERR(hda->video_dacs_ctrl))
- return PTR_ERR(hda->video_dacs_ctrl);
+ if (!hda->video_dacs_ctrl)
+ return -ENOMEM;
} else {
/* If no existing video-dacs-ctrl resource continue the probe */
DRM_DEBUG_DRIVER("No video-dacs-ctrl resource\n");
--
2.30.2