From: Shawn Landen <shawnlandden@xxxxxxxxx> Bug-Debian: http://bugs.debian.org/656955 Signed-off-by: Dimitri John Ledkov <xnox@xxxxxxxxxx> --- ctree.h | 18 ++++++++++++++---- volumes.c | 5 +++-- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/ctree.h b/ctree.h index fa73c4a..92c6ad3 100644 --- a/ctree.h +++ b/ctree.h @@ -19,6 +19,8 @@ #ifndef __BTRFS__ #define __BTRFS__ +#include <stdint.h> + #if BTRFS_FLAT_INCLUDES #include "list.h" #include "kerncompat.h" @@ -1191,13 +1193,17 @@ struct btrfs_root { static inline u##bits btrfs_##name(const struct extent_buffer *eb) \ { \ const struct btrfs_header *h = (struct btrfs_header *)eb->data; \ - return le##bits##_to_cpu(h->member); \ + uint##bits##_t t; \ + memcpy(&t, &h->member, sizeof(h->member)); \ + return le##bits##_to_cpu(t); \ } \ static inline void btrfs_set_##name(struct extent_buffer *eb, \ u##bits val) \ { \ struct btrfs_header *h = (struct btrfs_header *)eb->data; \ - h->member = cpu_to_le##bits(val); \ + uint##bits##_t t; \ + t = cpu_to_le##bits(val); \ + memcpy(&h->member, &t, sizeof(h->member)); \ } #define BTRFS_SETGET_FUNCS(name, type, member, bits) \ @@ -1219,11 +1225,15 @@ static inline void btrfs_set_##name(struct extent_buffer *eb, \ #define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits) \ static inline u##bits btrfs_##name(const type *s) \ { \ - return le##bits##_to_cpu(s->member); \ + uint##bits##_t t; \ + memcpy(&t, &s->member, sizeof(s->member)); \ + return le##bits##_to_cpu(t); \ } \ static inline void btrfs_set_##name(type *s, u##bits val) \ { \ - s->member = cpu_to_le##bits(val); \ + uint##bits##_t t; \ + t = cpu_to_le##bits(val); \ + memcpy(&s->member, &t, sizeof(s->member)); \ } BTRFS_SETGET_FUNCS(device_type, struct btrfs_dev_item, type, 64); diff --git a/volumes.c b/volumes.c index 388c94e..102380b 100644 --- a/volumes.c +++ b/volumes.c @@ -472,10 +472,11 @@ static int find_next_chunk(struct btrfs_root *root, u64 objectid, u64 *offset) if (found_key.objectid != objectid) *offset = 0; else { + u64 t; chunk = btrfs_item_ptr(path->nodes[0], path->slots[0], struct btrfs_chunk); - *offset = found_key.offset + - btrfs_chunk_length(path->nodes[0], chunk); + t = found_key.offset + btrfs_chunk_length(path->nodes[0], chunk); + memcpy(offset, &t, sizeof(found_key.offset)); } } ret = 0; -- 2.1.0.rc1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
