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| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:31:11 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:31:11 -0400 |
| commit | 334d0dd8b660557608142f0f77abc6812b48f08b (patch) | |
| tree | 9393a9aa099d7d42deda5f9f5054796c0c769be7 /include/linux/compiler-gcc.h | |
| parent | 3f07d8796262f6aee135c8dd9a91210da9f888e4 (diff) | |
| parent | 5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/compiler-gcc.h')
| -rw-r--r-- | include/linux/compiler-gcc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 9008eabb9c3d..a9f794716a81 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -22,6 +22,9 @@ __asm__ ("" : "=r"(__ptr) : "0"(ptr)); \ (typeof(ptr)) (__ptr + (off)); }) +/* &a[0] degrades to a pointer: a different type from an array */ +#define __must_be_array(a) \ + BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0]))) #define inline inline __attribute__((always_inline)) #define __inline__ __inline__ __attribute__((always_inline)) |