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authorLi Zefan <lizf@cn.fujitsu.com>2009-07-23 11:28:40 +0800
committerSteven Rostedt <rostedt@goodmis.org>2009-07-23 09:52:09 -0400
commitd8cc1ab793993c886c62abf77c93287df33ffd8b (patch)
tree1e941a2832791b69ab9870c9ad9e9e844af50e1c /kernel
parente5d490b252423605a77c54b2e35b10ea663763df (diff)
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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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace_stack.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index e644af9..6a2a9d4 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -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