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Subject[PATCH 1/7] blktrace: fix possible memory leak
When we failed to create "block" debugfs dir, we should do come cleanups.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
kernel/trace/blktrace.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index b171778..fb3bc53 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -432,7 +432,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
if (!blk_tree_root) {
blk_tree_root = debugfs_create_dir("block", NULL);
if (!blk_tree_root)
- return -ENOMEM;
+ goto err;
}

dir = debugfs_create_dir(buts->name, blk_tree_root);
--
1.5.4.rc3


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