| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.0 143/148] power/reset: at91: fix return value check in at91_reset_platform_probe() | Date | Wed, 3 Jun 2015 21:10:13 +0900 |
| |
4.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
commit 932df43005389300a3336421e4aedb25390ae144 upstream.
In case of error, the function devm_ioremap() returns NULL not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test.
Fixes: ecfe64d8c55f ("power: reset: Add AT91 reset driver") Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/power/reset/at91-reset.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -212,9 +212,9 @@ static int at91_reset_platform_probe(str res = platform_get_resource(pdev, IORESOURCE_MEM, idx + 1 ); at91_ramc_base[idx] = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(at91_ramc_base[idx])) { + if (!at91_ramc_base[idx]) { dev_err(&pdev->dev, "Could not map ram controller address\n"); - return PTR_ERR(at91_ramc_base[idx]); + return -ENOMEM; } }
|