__free(kfree_const) may be used in the cases when one part of the code relies on the constant string literals, while the other uses a heap (via kasprintf(), for example).
Requested-by: Chen-Yu Tsai <[email protected]> Link: https://lore.kernel.org/r/CAGXv+5HGZwAKpGpyV4=qhfg7ybqpx-syc1gma2qad_tzw_r...@mail.gmail.com Signed-off-by: Andy Shevchenko <[email protected]> --- include/linux/string.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/string.h b/include/linux/string.h index 75bfc194ad20..6f3501b56c11 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -294,8 +294,11 @@ static inline bool mem_is_zero(const void *s, size_t n) return !memchr_inv(s, 0, n); } +/* mm/util.c */ extern void kfree_const(const void *x); +DEFINE_FREE(kfree_const, void *, if (!IS_ERR_OR_NULL(_T)) kfree_const(_T)) + extern char *kstrdup(const char *s, gfp_t gfp) __malloc; extern const char *kstrdup_const(const char *s, gfp_t gfp); extern char *kstrndup(const char *s, size_t len, gfp_t gfp); -- 2.50.1
