Commit-ID: 1eb90f138b3fb4cc15f3acec94aa788e846269f7 Gitweb: http://git.kernel.org/tip/1eb90f138b3fb4cc15f3acec94aa788e846269f7 Author: Li Zefan <lizf@xxxxxxxxxxxxxx> AuthorDate: Tue, 22 Sep 2009 13:52:57 +0800 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Tue, 22 Sep 2009 10:28:56 +0200 tracing: Fix failure path in ftrace_graph_write() Don't call trace_parser_put() on uninitialized trace_parser. Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> LKML-Reference: <4AB86639.3000003@xxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/trace/ftrace.c | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index a8fe478..5c5cb9b 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2561,12 +2561,12 @@ ftrace_graph_write(struct file *file, const char __user *ubuf, if (ftrace_graph_count >= FTRACE_GRAPH_MAX_FUNCS) { ret = -EBUSY; - goto out; + goto out_unlock; } if (trace_parser_get_init(&parser, FTRACE_BUFF_MAX)) { ret = -ENOMEM; - goto out; + goto out_unlock; } read = trace_get_user(&parser, ubuf, cnt, ppos); @@ -2578,12 +2578,14 @@ ftrace_graph_write(struct file *file, const char __user *ubuf, ret = ftrace_set_func(ftrace_graph_funcs, &ftrace_graph_count, parser.buffer); if (ret) - goto out; + goto out_free; } ret = read; - out: + +out_free: trace_parser_put(&parser); +out_unlock: mutex_unlock(&graph_lock); return ret; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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