alistair23-linux/drivers/media/usb/dvb-usb-v2
Eugeniu Rosca 87e9201108 media: mxl111sf: Fix potential null pointer dereference
Reviewing the delta between cppcheck output of v4.9.39 and v4.9.40
stable updates, I stumbled on the new warning:

mxl111sf.c:80: (warning) Possible null pointer dereference: rbuf

Since copying state->rcvbuf into rbuf is not needed in the 'write-only'
scenario (i.e. calling mxl111sf_ctrl_msg() from mxl111sf_i2c_send_data()
or from mxl111sf_write_reg()), bypass memcpy() in this case.

Fixes: d90b336f3f ("[media] mxl111sf: Fix driver to use heap allocate buffers for USB messages")

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-27 06:58:19 -04:00
..
af9015.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
af9015.h [media] af9015: use correct 7-bit i2c addresses 2017-06-20 10:12:24 -03:00
af9035.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
af9035.h
anysee.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
anysee.h
au6610.c
au6610.h
az6007.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
ce6230.c
ce6230.h
dvb_usb.h media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
dvb_usb_common.h
dvb_usb_core.c media: rc-core: rename input_name to device_name 2017-08-20 09:43:52 -04:00
dvb_usb_urb.c
dvbsky.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
ec168.c
ec168.h
gl861.c
gl861.h
Kconfig [media] zd1301: ZyDAS ZD1301 DVB USB interface driver 2017-02-03 06:47:35 -02:00
lmedm04.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
lmedm04.h
Makefile [media] zd1301: ZyDAS ZD1301 DVB USB interface driver 2017-02-03 06:47:35 -02:00
mxl111sf-demod.c
mxl111sf-demod.h
mxl111sf-gpio.c
mxl111sf-gpio.h
mxl111sf-i2c.c [media] mxl111sf: Fix driver to use heap allocate buffers for USB messages 2017-06-06 07:28:09 -03:00
mxl111sf-i2c.h
mxl111sf-phy.c
mxl111sf-phy.h
mxl111sf-reg.h
mxl111sf-tuner.c
mxl111sf-tuner.h
mxl111sf.c media: mxl111sf: Fix potential null pointer dereference 2017-08-27 06:58:19 -04:00
mxl111sf.h [media] mxl111sf: Fix driver to use heap allocate buffers for USB messages 2017-06-06 07:28:09 -03:00
rtl28xxu.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
rtl28xxu.h
usb_urb.c
zd1301.c [media] zd1301: fix building interface driver without demodulator 2017-02-08 11:59:39 -02:00