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drm/sti: correctly test devm_ioremap() return

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In case of error, the function devm_ioremap_nocache() returns NULL
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>
This commit is contained in:
Wei Yongjun 2015-06-08 15:25:52 +02:00 committed by Benjamin Gaignard
parent ae45577324
commit d3c8a0b2be
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/sti/sti_dvo.c
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@ -499,8 +499,8 @@ static int sti_dvo_probe(struct platform_device *pdev)
}
dvo->regs = devm_ioremap_nocache(dev, res->start,
resource_size(res));
if (IS_ERR(dvo->regs))
return PTR_ERR(dvo->regs);
if (!dvo->regs)
return -ENOMEM;
dvo->clk_pix = devm_clk_get(dev, "dvo_pix");
if (IS_ERR(dvo->clk_pix)) {