openwrtv4/target/linux/generic/patches-3.19/060-mips_decompressor_memmove.patch
John Crispin 7155ec7191 kernel: copy mips_decompressor_memmove patch to 3.18/3.19
Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 44339
2015-02-09 12:10:46 +00:00

22 lines
472 B
Diff

--- a/arch/mips/boot/compressed/string.c
+++ b/arch/mips/boot/compressed/string.c
@@ -26,3 +26,19 @@ void *memset(void *s, int c, size_t n)
ss[i] = c;
return s;
}
+
+void *memmove(void *__dest, __const void *__src, size_t count)
+{
+ unsigned char *d = __dest;
+ const unsigned char *s = __src;
+
+ if (__dest == __src)
+ return __dest;
+
+ if (__dest < __src)
+ return memcpy(__dest, __src, count);
+
+ while (count--)
+ d[count] = s[count];
+ return __dest;
+}