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| author | Kees Cook <kees@kernel.org> | 2026-03-23 04:16:06 +0300 |
|---|---|---|
| committer | Kees Cook <kees@kernel.org> | 2026-06-19 02:37:12 +0300 |
| commit | ad3242a9acaa01cc9ecc6e483341697ca4f77461 (patch) | |
| tree | 956688ab040c84755d3ec572b6971cd670913445 | |
| parent | 4cb5e246e65cd497155370bbca54c8f5e3a4105f (diff) | |
| download | linux-ad3242a9acaa01cc9ecc6e483341697ca4f77461.tar.xz | |
m68k: Remove arch-specific strncpy() implementation
strncpy() has no remaining callers in the kernel[1]. Remove the
m68k-specific inline assembly implementation and __HAVE_ARCH_STRNCPY
define, falling back to the generic version in lib/string.c.
Link: https://github.com/KSPP/linux/issues/90 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
| -rw-r--r-- | arch/m68k/include/asm/string.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h index 760cc13acdf4..ae6a6b51ad07 100644 --- a/arch/m68k/include/asm/string.h +++ b/arch/m68k/include/asm/string.h @@ -21,23 +21,6 @@ static inline size_t strnlen(const char *s, size_t count) return sc - s; } -#define __HAVE_ARCH_STRNCPY -static inline char *strncpy(char *dest, const char *src, size_t n) -{ - char *xdest = dest; - - asm volatile ("\n" - " jra 2f\n" - "1: move.b (%1),(%0)+\n" - " jeq 2f\n" - " addq.l #1,%1\n" - "2: subq.l #1,%2\n" - " jcc 1b\n" - : "+a" (dest), "+a" (src), "+d" (n) - : : "memory"); - return xdest; -} - #define __HAVE_ARCH_MEMMOVE extern void *memmove(void *, const void *, __kernel_size_t); |