Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d8cc1ab7 authored by Li Zefan's avatar Li Zefan Committed by Steven Rostedt
Browse files

trace_stack: Fix seqfile memory leak 



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

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A67D8E8.3020500@cn.fujitsu.com>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent e5d490b2

kernel/trace/trace_stack.c

+2 −5
Original line number Original line Diff line number Diff line
@@ -301,17 +301,14 @@ static const struct seq_operations stack_trace_seq_ops = { 




static int stack_trace_open(struct inode *inode, struct file *file)

static int stack_trace_open(struct inode *inode, struct file *file)

{

{

	int ret;

	return seq_open(file, &stack_trace_seq_ops);



	ret = seq_open(file, &stack_trace_seq_ops);



	return ret;

}

}





static const struct file_operations stack_trace_fops = {

static const struct file_operations stack_trace_fops = {

	.open		= stack_trace_open,

	.open		= stack_trace_open,

	.read		= seq_read,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.llseek		= seq_lseek,

	.release	= seq_release,

};

};





int

int