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hwrng: geode - fix return value check in mod_init()

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In case of error, the function devm_ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test.

Fixes: 6e9b5e7688 ("hwrng: geode - Migrate to managed API")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Wei Yongjun 2016-09-16 01:50:01 +00:00 committed by Herbert Xu
parent f7eca278a8
commit 104a32e85f
1 changed files with 2 additions and 2 deletions
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4
drivers/char/hw_random/geode-rng.c
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@ -95,8 +95,8 @@ static int __init mod_init(void)
return -ENODEV;
mem = devm_ioremap(&pdev->dev, rng_base, 0x58);
if (IS_ERR(mem))
return PTR_ERR(mem);
if (!mem)
return -ENOMEM;
geode_rng.priv = (unsigned long)mem;
pr_info("AMD Geode RNG detected\n");