diff options
author | cao <[email protected]> | 2016-10-14 05:30:50 +0800 |
---|---|---|
committer | Brian Behlendorf <[email protected]> | 2016-10-13 14:30:50 -0700 |
commit | 3f93077b024d6e7658e655d3b897bcd3bb57504f (patch) | |
tree | 8367e4c43a1f73676a50a005b80fe9d84bdd6481 /module/zfs | |
parent | 05852b3467b44cdf88541ec67624cd1f5f2ded1d (diff) |
Fix coverity defects: CID 150943, 150938
CID:150943, Type:Unintentional integer overflow
CID:150938, Type:Explicit null dereferenced
Reviewed-by: Tom Caputi <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: cao.xuewen <[email protected]>
Closes #5255
Diffstat (limited to 'module/zfs')
-rw-r--r-- | module/zfs/dbuf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c index 2ec41fb51..1d8c0518a 100644 --- a/module/zfs/dbuf.c +++ b/module/zfs/dbuf.c @@ -3538,7 +3538,7 @@ dbuf_write_children_ready(zio_t *zio, arc_buf_t *buf, void *vdb) epbs = dn->dn_phys->dn_indblkshift - SPA_BLKPTRSHIFT; /* Determine if all our children are holes */ - for (i = 0, bp = db->db.db_data; i < 1 << epbs; i++, bp++) { + for (i = 0, bp = db->db.db_data; i < 1ULL << epbs; i++, bp++) { if (!BP_IS_HOLE(bp)) break; } @@ -3547,7 +3547,7 @@ dbuf_write_children_ready(zio_t *zio, arc_buf_t *buf, void *vdb) * If all the children are holes, then zero them all out so that * we may get compressed away. */ - if (i == 1 << epbs) { + if (i == 1ULL << epbs) { /* didn't find any non-holes */ bzero(db->db.db_data, db->db.db_size); } |