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@@ -707,19 +707,21 @@ asmlinkage long sys_getdomainname(char __user *name, int len)
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{
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int nlen, err;
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- if (len < 0 || len > __NEW_UTS_LEN)
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+ if (len < 0)
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return -EINVAL;
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down_read(&uts_sem);
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nlen = strlen(system_utsname.domainname) + 1;
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- if (nlen < len)
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- len = nlen;
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+ err = -EINVAL;
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+ if (nlen > len)
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+ goto out;
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err = -EFAULT;
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- if (!copy_to_user(name, system_utsname.domainname, len))
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+ if (!copy_to_user(name, system_utsname.domainname, nlen))
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err = 0;
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+out:
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up_read(&uts_sem);
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return err;
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}
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