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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2016-09-16 01:50:01 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-09-22 18:27:49 +0800 |
| commit | 104a32e85f250742bc37e14d19a5dec706bed76e (patch) | |
| tree | 57e27f6f1c27041842e6f330bd04b8d7347691c4 /drivers/char | |
| parent | f7eca278a8f81e701848392b522f80078bf2589f (diff) | |
| download | linux-104a32e85f250742bc37e14d19a5dec706bed76e.tar.bz2 | |
hwrng: geode - fix return value check in mod_init()
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: 6e9b5e76882c ("hwrng: geode - Migrate to managed API")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/geode-rng.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c index 0cae21086c05..e7a245942029 100644 --- a/drivers/char/hw_random/geode-rng.c +++ b/drivers/char/hw_random/geode-rng.c @@ -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"); |