diff options
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/string.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index ba6549804edc..b195dcc8fe9b 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -89,6 +89,17 @@ memdup_user_nul(const void *ptr, size_t len) } static inline void * +memdup_array_user(const void *src, size_t n, size_t size) +{ + size_t len; + + if (check_mul_overflow(n, size, &len)) + return (ERR_PTR(-EOVERFLOW)); + + return (memdup_user(src, len)); +} + +static inline void * kmemdup(const void *src, size_t len, gfp_t gfp) { void *dst; |