diff options
Diffstat (limited to 'arch/microblaze/lib/memset.c')
| -rw-r--r-- | arch/microblaze/lib/memset.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c index 04ea72c8a81d..7c2352d56bb0 100644 --- a/arch/microblaze/lib/memset.c +++ b/arch/microblaze/lib/memset.c @@ -30,22 +30,7 @@ #include <linux/compiler.h> #include <linux/string.h> -#ifdef __HAVE_ARCH_MEMSET -#ifndef CONFIG_OPT_LIB_FUNCTION -void *memset(void *v_src, int c, __kernel_size_t n) -{ - char *src = v_src; - - /* Truncate c to 8 bits */ - c = (c & 0xFF); - - /* Simple, byte oriented memset or the rest of count. */ - while (n--) - *src++ = c; - - return v_src; -} -#else /* CONFIG_OPT_LIB_FUNCTION */ +#ifdef CONFIG_OPT_LIB_FUNCTION void *memset(void *v_src, int c, __kernel_size_t n) { char *src = v_src; @@ -69,9 +54,11 @@ void *memset(void *v_src, int c, __kernel_size_t n) case 1: *src++ = c; --n; + fallthrough; case 2: *src++ = c; --n; + fallthrough; case 3: *src++ = c; --n; @@ -87,11 +74,21 @@ void *memset(void *v_src, int c, __kernel_size_t n) } /* Simple, byte oriented memset or the rest of count. */ - while (n--) + switch (n) { + case 3: + *src++ = c; + fallthrough; + case 2: *src++ = c; + fallthrough; + case 1: + *src++ = c; + break; + default: + break; + } return v_src; } -#endif /* CONFIG_OPT_LIB_FUNCTION */ EXPORT_SYMBOL(memset); -#endif /* __HAVE_ARCH_MEMSET */ +#endif /* CONFIG_OPT_LIB_FUNCTION */ |