mirror of https://gitee.com/openkylin/linux.git
[PATCH] dell_rbu: fix error check
platform_device_register_simple() returns error code as pointer when it fails. The return value should be checked by IS_ERR(). Cc: Abhay Salunke <abhay_salunke@dell.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Matt Domsch <Matt_Domsch@dell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -705,17 +705,16 @@ static struct bin_attribute rbu_packet_size_attr = {
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static int __init dcdrbu_init(void)
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{
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int rc = 0;
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int rc;
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spin_lock_init(&rbu_data.lock);
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init_packet_head();
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rbu_device =
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platform_device_register_simple("dell_rbu", -1, NULL, 0);
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if (!rbu_device) {
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rbu_device = platform_device_register_simple("dell_rbu", -1, NULL, 0);
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if (IS_ERR(rbu_device)) {
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printk(KERN_ERR
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"dell_rbu:%s:platform_device_register_simple "
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"failed\n", __FUNCTION__);
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return -EIO;
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return PTR_ERR(rbu_device);
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}
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rc = sysfs_create_bin_file(&rbu_device->dev.kobj, &rbu_data_attr);
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