diff options
| -rw-r--r-- | usr/src/uts/common/fs/zfs/zvol.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usr/src/uts/common/fs/zfs/zvol.c b/usr/src/uts/common/fs/zfs/zvol.c index 02eb0b8e1a..55dd9a2681 100644 --- a/usr/src/uts/common/fs/zfs/zvol.c +++ b/usr/src/uts/common/fs/zfs/zvol.c @@ -1155,10 +1155,10 @@ zvol_dumpio(zvol_state_t *zv, void *addr, uint64_t offset, uint64_t size, ASSERT(size <= zv->zv_volblocksize); /* Locate the extent this belongs to */ - ze = list_head(&zv->zv_extents); - while (offset >= ze->ze_nblks * zv->zv_volblocksize) { + for (ze = list_head(&zv->zv_extents); + ze != NULL && offset >= ze->ze_nblks * zv->zv_volblocksize; + ze = list_next(&zv->zv_extents, ze)) { offset -= ze->ze_nblks * zv->zv_volblocksize; - ze = list_next(&zv->zv_extents, ze); } if (ze == NULL) |