diff options
| author | Dongliang Mu <[email protected]> | 2021-05-25 15:06:52 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2021-06-08 15:52:27 +0200 |
| commit | 9ad1efee086e0e913914fa2b2173efb830bad68c (patch) | |
| tree | 7274af46dc19258bf20e47980239c7d353657532 /tools/perf/scripts/python/net_dropmonitor.py | |
| parent | 321c0d383dc3aa1b00a1a1e0957f1543fc84a028 (diff) | |
media: dvd_usb: memory leak in cinergyt2_fe_attach
When the driver fails to talk with the hardware with dvb_usb_generic_rw,
it will return an error to dvb_usb_adapter_frontend_init. However, the
driver forgets to free the resource (e.g., struct cinergyt2_fe_state),
which leads to a memory leak.
Fix this by freeing struct cinergyt2_fe_state when dvb_usb_generic_rw
fails in cinergyt2_frontend_attach.
backtrace:
[<0000000056e17b1a>] kmalloc include/linux/slab.h:552 [inline]
[<0000000056e17b1a>] kzalloc include/linux/slab.h:682 [inline]
[<0000000056e17b1a>] cinergyt2_fe_attach+0x21/0x80 drivers/media/usb/dvb-usb/cinergyT2-fe.c:271
[<00000000ae0b1711>] cinergyt2_frontend_attach+0x21/0x70 drivers/media/usb/dvb-usb/cinergyT2-core.c:74
[<00000000d0254861>] dvb_usb_adapter_frontend_init+0x11b/0x1b0 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:290
[<0000000002e08ac6>] dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:84 [inline]
[<0000000002e08ac6>] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:173 [inline]
[<0000000002e08ac6>] dvb_usb_device_init.cold+0x4d0/0x6ae drivers/media/usb/dvb-usb/dvb-usb-init.c:287
Reported-by: [email protected]
Signed-off-by: Dongliang Mu <[email protected]>
Signed-off-by: Sean Young <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/net_dropmonitor.py')
0 files changed, 0 insertions, 0 deletions