diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/virtio/linux/kernel.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index 6683b4a70b05..21593bf97755 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -11,6 +11,8 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/overflow.h> +#include <linux/list.h> #include <linux/printk.h> #include <linux/bug.h> #include <errno.h> @@ -27,7 +29,6 @@ #define READ 0 #define WRITE 1 -typedef unsigned long long phys_addr_t; typedef unsigned long long dma_addr_t; typedef size_t __kernel_size_t; typedef unsigned int __wsum; @@ -109,8 +110,6 @@ static inline void free_page(unsigned long addr) const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) -#define uninitialized_var(x) x = x - # ifndef likely # define likely(x) (__builtin_expect(!!(x), 1)) # endif @@ -118,6 +117,16 @@ static inline void free_page(unsigned long addr) # define unlikely(x) (__builtin_expect(!!(x), 0)) # endif +static inline void *krealloc_array(void *p, size_t new_n, size_t new_size, gfp_t gfp) +{ + size_t bytes; + + if (unlikely(check_mul_overflow(new_n, new_size, &bytes))) + return NULL; + + return krealloc(p, bytes, gfp); +} + #define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__) #ifdef DEBUG #define pr_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__) @@ -126,8 +135,7 @@ static inline void free_page(unsigned long addr) #endif #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) - -#define WARN_ON_ONCE(cond) (unlikely(cond) ? fprintf (stderr, "WARNING\n") : 0) +#define dev_warn_once(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) #define min(x, y) ({ \ typeof(x) _min1 = (x); \ @@ -135,10 +143,4 @@ static inline void free_page(unsigned long addr) (void) (&_min1 == &_min2); \ _min1 < _min2 ? _min1 : _min2; }) -/* TODO: empty stubs for now. Broken but enough for virtio_ring.c */ -#define list_add_tail(a, b) do {} while (0) -#define list_del(a) do {} while (0) -#define list_for_each_entry(a, b, c) while (0) -/* end of stubs */ - #endif /* KERNEL_H */ |