media: ttusb-dec: fix memory leak in ttusb_dec_exit_dvb()

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[ Upstream commit 517a281338 ]

Since dvb_frontend_detach() is not called in ttusb_dec_exit_dvb(),
which is called when the device is disconnected, dvb_frontend_free()
is not finally called.

This causes a memory leak just by repeatedly plugging and
unplugging the device.

Fix this issue by adding dvb_frontend_detach() to ttusb_dec_exit_dvb().

Link: https://lore.kernel.org/linux-media/20221117045925.14297-5-imv4bel@gmail.com
Signed-off-by: Hyunwoo Kim <imv4bel@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Hyunwoo Kim 2022-11-17 04:59:25 +00:00 • committed by Greg Kroah-Hartman

parent dd68399361

commit ea2938c27b

1 changed files with 1 additions and 2 deletions

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drivers/media/usb/ttusb-dec/ttusb_dec.c

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