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Commit 2ec5c9b7 authored by Li Jun's avatar Li Jun Committed by Greg Kroah-Hartman
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usb: typec: tcpm: free log buf memory when remove debug file 



commit fd5da3e2cc61b4a7c877172fdc9348c82cf6ccfc upstream.

The logbuffer memory should be freed when remove debug file.

Cc: stable@vger.kernel.org # v4.15+
Fixes: 4b4e02c8 ("typec: tcpm: Move out of staging")
Signed-off-by: default avatarLi Jun <jun.li@nxp.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190717080646.30421-1-jun.li@nxp.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 33f2240a

drivers/usb/typec/tcpm.c

+9 −0
Original line number Diff line number Diff line
@@ -585,6 +585,15 @@ static void tcpm_debugfs_init(struct tcpm_port *port) 


static void tcpm_debugfs_exit(struct tcpm_port *port)

{

	int i;



	mutex_lock(&port->logbuffer_lock);

	for (i = 0; i < LOG_BUFFER_ENTRIES; i++) {

		kfree(port->logbuffer[i]);

		port->logbuffer[i] = NULL;

	}

	mutex_unlock(&port->logbuffer_lock);



	debugfs_remove(port->dentry);

}