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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
@@ -437,19 +437,8 @@
static inline int
kstrtou32(const char *cp, unsigned int base, u32 *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 != (u32)temp)
- return (-ERANGE);
- return (0);
+ return (kstrtouint(cp, base, res));
}
static inline int
@@ -530,7 +519,7 @@
static inline int
kstrtouint_from_user(const char __user *s, size_t count, unsigned int base,
- int *p)
+ unsigned int *p)
{
char buf[36] = {};
@@ -543,6 +532,14 @@
return (kstrtouint(buf, base, p));
}
+static inline int
+kstrtou32_from_user(const char __user *s, size_t count, unsigned int base,
+ unsigned int *p)
+{
+
+ return (kstrtouint_from_user(s, count, base, p));
+}
+
static inline int
kstrtou8_from_user(const char __user *s, size_t count, unsigned int base,
u8 *p)
@@ -718,6 +715,48 @@
return (0);
}
+static inline bool
+mac_pton(const char *macin, uint8_t *macout)
+{
+ const char *s, *d;
+ uint8_t mac[6], hx, lx;;
+ int i;
+
+ if (strlen(macin) < (3 * 6 - 1))
+ return (false);
+
+ i = 0;
+ s = macin;
+ do {
+ /* Should we also support '-'-delimiters? */
+ d = strchrnul(s, ':');
+ hx = lx = 0;
+ while (s < d) {
+ /* Fail on abc:123:xxx:... */
+ if ((d - s) > 2)
+ return (false);
+ /* We do support non-well-formed strings: 3:45:6:... */
+ if ((d - s) > 1) {
+ hx = _h2b(*s);
+ if (hx < 0)
+ return (false);
+ s++;
+ }
+ lx = _h2b(*s);
+ if (lx < 0)
+ return (false);
+ s++;
+ }
+ mac[i] = (hx << 4) | lx;
+ i++;
+ if (i >= 6)
+ return (false);
+ } while (d != NULL && *d != '\0');
+
+ memcpy(macout, mac, 6);
+ return (true);
+}
+
#define DECLARE_FLEX_ARRAY(_t, _n) \
struct { struct { } __dummy_ ## _n; _t _n[0]; }

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