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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-10-21 07:12:02 +0400
committerMark Brown <broonie@linaro.org>2013-10-23 13:38:46 +0400
commit543c954d6807ad0682c37846b7b9c423cd941415 (patch)
tree93347a9cead9cc5d8044ee79d70244693701961c /drivers/spi/spi-atmel.c
parent31407478a7b56187f9912eb6882a3c623365319f (diff)
downloadlinux-543c954d6807ad0682c37846b7b9c423cd941415.tar.xz
spi: atmel: fix return value check in atmel_spi_probe()
In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-atmel.c')
-rw-r--r--drivers/spi/spi-atmel.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 118a938776bd..273db0beb2b8 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1547,8 +1547,10 @@ static int atmel_spi_probe(struct platform_device *pdev)
as->pdev = pdev;
as->regs = devm_ioremap_resource(&pdev->dev, regs);
- if (!as->regs)
+ if (IS_ERR(as->regs)) {
+ ret = PTR_ERR(as->regs);
goto out_free_buffer;
+ }
as->phybase = regs->start;
as->irq = irq;
as->clk = clk;