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Commit 59925838 authored by Matthias Urlichs's avatar Matthias Urlichs Committed by Greg Kroah-Hartman
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usbserial: Reference leak 



A sufficiently-large number of USB serial devices causes a reference leak
when /proc/tty/drivers/usbserial is read.

Signed-Off-By: default avatarMatthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 05ff0e29

drivers/usb/serial/usb-serial.c

+3 −1
Original line number Diff line number Diff line
@@ -464,8 +464,10 @@ static int serial_read_proc (char *page, char **start, off_t off, int count, int 
		length += sprintf (page+length, " path:%s", tmp);

			

		length += sprintf (page+length, "\n");

		if ((length + begin) > (off + count))

		if ((length + begin) > (off + count)) {

			usb_serial_put(serial);

			goto done;

		}

		if ((length + begin) < off) {

			begin += length;

			length = 0;