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-rw-r--r--package/kernel/mac80211/patches/011-backport_strscpy.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/011-backport_strscpy.patch b/package/kernel/mac80211/patches/011-backport_strscpy.patch
new file mode 100644
index 0000000000..c8e26c46f2
--- /dev/null
+++ b/package/kernel/mac80211/patches/011-backport_strscpy.patch
@@ -0,0 +1,43 @@
+--- a/backport-include/linux/string.h
++++ b/backport-include/linux/string.h
+@@ -25,4 +25,8 @@ extern void *memdup_user_nul(const void
+ void memzero_explicit(void *s, size_t count);
+ #endif
+
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0))
++ssize_t strscpy(char *dest, const char *src, size_t count);
++#endif
++
+ #endif /* __BACKPORT_LINUX_STRING_H */
+--- a/compat/backport-4.3.c
++++ b/compat/backport-4.3.c
+@@ -57,3 +57,29 @@ void seq_hex_dump(struct seq_file *m, co
+ }
+ }
+ EXPORT_SYMBOL_GPL(seq_hex_dump);
++
++ssize_t strscpy(char *dest, const char *src, size_t count)
++{
++ long res = 0;
++
++ if (count == 0)
++ return -E2BIG;
++
++ while (count) {
++ char c;
++
++ c = src[res];
++ dest[res] = c;
++ if (!c)
++ return res;
++ res++;
++ count--;
++ }
++
++ /* Hit buffer length without finding a NUL; force NUL-termination. */
++ if (res)
++ dest[res-1] = '\0';
++
++ return -E2BIG;
++}
++EXPORT_SYMBOL_GPL(strscpy);