summaryrefslogtreecommitdiff
path: root/drivers/md/dm-core.h
diff options
context:
space:
mode:
authorMike Snitzer <snitzer@kernel.org>2022-07-05 23:12:27 +0300
committerMike Snitzer <snitzer@kernel.org>2022-07-07 18:49:34 +0300
commit564b5c5476cdb71b717340897b2b50f9c45df158 (patch)
tree75ff585908371d35a6142b3c8b9612c1cb8ac3a4 /drivers/md/dm-core.h
parent2aec377a29250b942f14d3c16d49783da3e9df11 (diff)
downloadlinux-564b5c5476cdb71b717340897b2b50f9c45df158.tar.xz
dm table: audit all dm_table_get_target() callers
All callers of dm_table_get_target() are expected to do proper bounds checking on the index they pass. Move dm_table_get_target() to dm-core.h to make it extra clear that only DM core code should be using it. Switch it to be inlined while at it. Standardize all DM core callers to use the same for loop pattern and make associated variables as local as possible. Rename some variables (e.g. s/table/t/ and s/tgt/ti/) along the way. Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/md/dm-core.h')
-rw-r--r--drivers/md/dm-core.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 8ef780a6baae..6c6bd24774f2 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -226,6 +226,13 @@ struct dm_table {
#endif
};
+static inline struct dm_target *dm_table_get_target(struct dm_table *t,
+ unsigned int index)
+{
+ BUG_ON(index >= t->num_targets);
+ return t->targets + index;
+}
+
/*
* One of these is allocated per clone bio.
*/