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ASoC: Intel: fix return value check in sst_acpi_probe() 

In case of error, the function platform_device_register_data()
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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wei Yongjun 2014-12-09 21:14:37 +08:00 committed by Mark Brown
parent 1810afd3e1
commit f5d40b400f
1 changed files with 4 additions and 4 deletions
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8
sound/soc/intel/sst/sst_acpi.c
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@ -277,16 +277,16 @@ int sst_acpi_probe(struct platform_device *pdev)
dev_dbg(dev, "ACPI device id: %x\n", dev_id);
plat_dev = platform_device_register_data(dev, mach->pdata->platform, -1, NULL, 0);
if (plat_dev == NULL) {
if (IS_ERR(plat_dev)) {
dev_err(dev, "Failed to create machine device: %s\n", mach->pdata->platform);
return -ENODEV;
return PTR_ERR(plat_dev);
}
/* Create platform device for sst machine driver */
mdev = platform_device_register_data(dev, mach->machine, -1, NULL, 0);
if (mdev == NULL) {
if (IS_ERR(mdev)) {
dev_err(dev, "Failed to create machine device: %s\n", mach->machine);
return -ENODEV;
return PTR_ERR(mdev);
}
ret = sst_alloc_drv_context(&ctx, dev, dev_id);