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trace_stack: Fix seqfile memory leak 

Every time we cat stack_trace, we leak memory allocated by seq_open().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A67D8E8.3020500@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Li Zefan 2009-07-23 11:28:40 +08:00 committed by Steven Rostedt
parent e5d490b252
commit d8cc1ab793
1 changed files with 2 additions and 5 deletions
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7
kernel/trace/trace_stack.c
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@ -301,17 +301,14 @@ static const struct seq_operations stack_trace_seq_ops = {
static int stack_trace_open(struct inode *inode, struct file *file)
{
int ret;
ret = seq_open(file, &stack_trace_seq_ops);
return ret;
return seq_open(file, &stack_trace_seq_ops);
}
static const struct file_operations stack_trace_fops = {
.open = stack_trace_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
int