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authorSlava Pestov <sp@daterainc.com>2014-05-23 20:18:35 +0200
committerKent Overstreet <kmo@daterainc.com>2014-08-05 00:23:03 +0200
commit913dc33fb2720fb5f979011664294137ddd8b13b (patch)
tree2c32d5afad1625a9f39ef0efdc2c1b89be7c8c46
parentbcache: bcache_write tracepoint was crashing (diff)
downloadlinux-913dc33fb2720fb5f979011664294137ddd8b13b.tar.xz
linux-913dc33fb2720fb5f979011664294137ddd8b13b.zip
bcache: fix crash in bcache_btree_node_alloc_fail tracepoint
'b' was NULL. Change-Id: Icac0fd04afa2d23f213d96d51afd53374e6dd0c0
-rw-r--r--drivers/md/bcache/btree.c2
-rw-r--r--include/trace/events/bcache.h6
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 39c7f5b73724..f8237856a61b 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1096,7 +1096,7 @@ err_free:
err:
mutex_unlock(&c->bucket_lock);
- trace_bcache_btree_node_alloc_fail(b);
+ trace_bcache_btree_node_alloc_fail(c);
return b;
}
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h
index 6778e4135a8e..981acf74b14f 100644
--- a/include/trace/events/bcache.h
+++ b/include/trace/events/bcache.h
@@ -261,9 +261,9 @@ DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
TP_ARGS(b)
);
-DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail,
- TP_PROTO(struct btree *b),
- TP_ARGS(b)
+DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c)
);
DEFINE_EVENT(btree_node, bcache_btree_node_free,