D32598.id97405.diff
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D32598.id97405.diff
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	diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h
	--- a/sys/compat/linuxkpi/common/include/linux/kernel.h
	+++ b/sys/compat/linuxkpi/common/include/linux/kernel.h
	@@ -393,6 +393,24 @@
	return (0);
	}

	+static inline int
	+kstrtou8(const char cp, unsigned int base, u8 res)
	+{
	+ char *end;
	+ unsigned long temp;
	+
	+ *res = temp = strtoul(cp, &end, base);
	+
	+ /* skip newline character, if any */
	+ if (*end == '\n')
	+ end++;
	+ if (cp == 0 \|\| end != 0)
	+ return (-EINVAL);
	+ if (temp != (u8)temp)
	+ return (-ERANGE);
	+ return (0);
	+}
	+
	static inline int
	kstrtou16(const char cp, unsigned int base, u16 res)
	{
	@@ -484,6 +502,21 @@
	return (kstrtobool(buf, res));
	}

	+static inline int
	+kstrtou8_from_user(const char __user *s, size_t count, unsigned int base,
	+ u8 *p)
	+{
	+ char buf[8] = {};
	+
	+ if (count > (sizeof(buf) - 1))
	+ count = (sizeof(buf) - 1);
	+
	+ if (copy_from_user(buf, s, count))
	+ return (-EFAULT);
	+
	+ return (kstrtou8(buf, base, p));
	+}
	+
	#define min(x, y) ((x) < (y) ? (x) : (y))
	#define max(x, y) ((x) > (y) ? (x) : (y))