diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_utils.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index ea7648e3aa0e..c10d68cdc3ca 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -115,39 +115,6 @@ bool i915_error_injected(void); #define overflows_type(x, T) \ (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) -static inline bool -__check_struct_size(size_t base, size_t arr, size_t count, size_t *size) -{ - size_t sz; - - if (check_mul_overflow(count, arr, &sz)) - return false; - - if (check_add_overflow(sz, base, &sz)) - return false; - - *size = sz; - return true; -} - -/** - * check_struct_size() - Calculate size of structure with trailing array. - * @p: Pointer to the structure. - * @member: Name of the array member. - * @n: Number of elements in the array. - * @sz: Total size of structure and array - * - * Calculates size of memory needed for structure @p followed by an - * array of @n @member elements, like struct_size() but reports - * whether it overflowed, and the resultant size in @sz - * - * Return: false if the calculation overflowed. - */ -#define check_struct_size(p, member, n, sz) \ - likely(__check_struct_size(sizeof(*(p)), \ - sizeof(*(p)->member) + __must_be_array((p)->member), \ - n, sz)) - #define ptr_mask_bits(ptr, n) ({ \ unsigned long __v = (unsigned long)(ptr); \ (typeof(ptr))(__v & -BIT(n)); \ @@ -184,8 +151,6 @@ __check_struct_size(size_t base, size_t arr, size_t count, size_t *size) #define struct_member(T, member) (((T *)0)->member) -#define ptr_offset(ptr, member) offsetof(typeof(*(ptr)), member) - #define fetch_and_zero(ptr) ({ \ typeof(*ptr) __T = *(ptr); \ *(ptr) = (typeof(*ptr))0; \ @@ -228,11 +193,6 @@ static __always_inline ptrdiff_t ptrdiff(const void *a, const void *b) get_user(mbz__, (U)) ? -EFAULT : mbz__ ? -EINVAL : 0; \ }) -static inline u64 ptr_to_u64(const void *ptr) -{ - return (uintptr_t)ptr; -} - #define u64_to_ptr(T, x) ({ \ typecheck(u64, x); \ (T *)(uintptr_t)(x); \ |