Commit-ID: 1a17662ea033674a58bad3603531b0b5d42572f6
Gitweb: http://git.kernel.org/tip/1a17662ea033674a58bad3603531b0b5d42572f6
Author: Li Zefan <lizf@xxxxxxxxxxxxxx>
AuthorDate: Fri, 20 Mar 2009 09:47:30 +0800
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sat, 21 Mar 2009 16:15:47 +0100
blktrace: fix possible memory leak
When we failed to create "block" debugfs dir, we should do some
cleanups.
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Acked-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
LKML-Reference: <49C2F5B2.8000800@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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);
--
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