diff options
Diffstat (limited to 'fs/ceph/decode.h')
| -rw-r--r-- | fs/ceph/decode.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/ceph/decode.h b/fs/ceph/decode.h index b90a33b948c..65b3e022eaf 100644 --- a/fs/ceph/decode.h +++ b/fs/ceph/decode.h @@ -2,6 +2,7 @@ #define __CEPH_DECODE_H #include <asm/unaligned.h> +#include <linux/time.h> #include "types.h" @@ -65,6 +66,11 @@ static inline void ceph_decode_copy(void **p, void *pv, size_t n) ceph_decode_need(p, end, sizeof(u16), bad); \ v = ceph_decode_16(p); \ } while (0) +#define ceph_decode_8_safe(p, end, v, bad) \ + do { \ + ceph_decode_need(p, end, sizeof(u8), bad); \ + v = ceph_decode_8(p); \ + } while (0) #define ceph_decode_copy_safe(p, end, pv, n, bad) \ do { \ @@ -156,5 +162,33 @@ static inline void ceph_encode_string(void **p, void *end, *p += len; } +#define ceph_encode_need(p, end, n, bad) \ + do { \ + if (unlikely(*(p) + (n) > (end))) \ + goto bad; \ + } while (0) + +#define ceph_encode_64_safe(p, end, v, bad) \ + do { \ + ceph_encode_need(p, end, sizeof(u64), bad); \ + ceph_encode_64(p, v); \ + } while (0) +#define ceph_encode_32_safe(p, end, v, bad) \ + do { \ + ceph_encode_need(p, end, sizeof(u32), bad); \ + ceph_encode_32(p, v); \ + } while (0) +#define ceph_encode_16_safe(p, end, v, bad) \ + do { \ + ceph_encode_need(p, end, sizeof(u16), bad); \ + ceph_encode_16(p, v); \ + } while (0) + +#define ceph_encode_copy_safe(p, end, pv, n, bad) \ + do { \ + ceph_encode_need(p, end, n, bad); \ + ceph_encode_copy(p, pv, n); \ + } while (0) + #endif |