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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2014-08-26 14:23:52 +0400
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>2014-08-26 16:16:46 +0400
commit5024a2b7ae9a92b8ec97ac1507efb283778480ce (patch)
treef48b395cbe30973e5790575f567681692bd2a02b /drivers/gpu/drm/sti/sti_hda.c
parent88cfc3fb77d2a280f935dc482bdd781b96ff5570 (diff)
downloadlinux-5024a2b7ae9a92b8ec97ac1507efb283778480ce.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/sti/sti_hda.c')
-rw-r--r--drivers/gpu/drm/sti/sti_hda.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
index 72d957f81c05..2802b81cc9a2 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");