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Diffstat (limited to 'block/blk-settings.c')
-rw-r--r--block/blk-settings.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 51401f08ce05..a9e65dc090da 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -161,10 +161,9 @@ static int blk_validate_integrity_limits(struct queue_limits *lim)
return -EINVAL;
}
- if (bi->pi_tuple_size > bi->metadata_size) {
- pr_warn("pi_tuple_size (%u) exceeds metadata_size (%u)\n",
- bi->pi_tuple_size,
- bi->metadata_size);
+ if (bi->pi_offset + bi->pi_tuple_size > bi->metadata_size) {
+ pr_warn("pi_offset (%u) + pi_tuple_size (%u) exceeds metadata_size (%u)\n",
+ bi->pi_offset, bi->pi_tuple_size, bi->metadata_size);
return -EINVAL;
}
@@ -194,8 +193,13 @@ static int blk_validate_integrity_limits(struct queue_limits *lim)
break;
}
- if (!bi->interval_exp)
+ if (!bi->interval_exp) {
bi->interval_exp = ilog2(lim->logical_block_size);
+ } else if (bi->interval_exp < SECTOR_SHIFT ||
+ bi->interval_exp > ilog2(lim->logical_block_size)) {
+ pr_warn("invalid interval_exp %u\n", bi->interval_exp);
+ return -EINVAL;
+ }
/*
* The PI generation / validation helpers do not expect intervals to