kernel/linux.git/drivers/usb/serial, branch v5.18.2

USB: serial: qcserial: add support for Sierra Wireless EM7590

2022-05-05T13:15:15+00:00

Add support for Sierra Wireless EM7590 0xc080/0xc081 compositions. Signed-off-by: Ethan Yang Link: https://lore.kernel.org/r/20220425055840.5693-1-etyang@sierrawireless.com Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

USB: serial: option: add Fibocom MA510 modem

2022-05-05T12:02:26+00:00

The MA510 modem has 3 USB configurations that are configurable via the AT command AT+GTUSBMODE={30,31,32} which make the modem enumerate with the following interfaces, respectively: 30: Diag + QDSS + Modem + RMNET 31: Diag + Modem + AT + ECM 32: Modem + AT + ECM The first configuration (30) reuses u-blox R410M's VID/PID with identical interface configuration. A detailed description of the USB configuration for each mode follows: +GTUSBMODE: 30 -------------- T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#= 19 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=05c6 ProdID=90b2 Rev= 0.00 S: Manufacturer=Fibocom MA510 Modem S: Product=Fibocom MA510 Modem S: SerialNumber=55e2695b C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan E: Ad=85(I) Atr=03(Int.) MxPS= 64 Ivl=2ms E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +GTUSBMODE: 31 -------------- T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#= 99 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=2cb7 ProdID=0106 Rev= 0.00 S: Manufacturer=Fibocom MA510 Modem S: Product=Fibocom MA510 Modem S: SerialNumber=55e2695b C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA A: FirstIf#= 3 IfCount= 2 Cls=02(comm.) Sub=00 Prot=00 I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=2ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=fe Prot=ff Driver=option E: Ad=84(I) Atr=03(Int.) MxPS= 64 Ivl=2ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether E: Ad=86(I) Atr=03(Int.) MxPS= 64 Ivl=2ms I: If#= 4 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether I:* If#= 4 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +GTUSBMODE: 32 -------------- T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#=100 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=2cb7 ProdID=010a Rev= 0.00 S: Manufacturer=Fibocom MA510 Modem S: Product=Fibocom MA510 Modem S: SerialNumber=55e2695b C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA A: FirstIf#= 2 IfCount= 2 Cls=02(comm.) Sub=00 Prot=00 I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=2ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=fe Prot=ff Driver=option E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether E: Ad=85(I) Atr=03(Int.) MxPS= 64 Ivl=2ms I: If#= 3 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether I:* If#= 3 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms Signed-off-by: Sven Schwermer Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

USB: serial: option: add Fibocom L610 modem

2022-05-05T12:01:45+00:00

The L610 modem has 3 USB configurations that are configurable via the AT command AT+GTUSBMODE={31,32,33} which make the modem enumerate with the following interfaces, respectively: 31: Modem + NV + MOS + Diag + LOG + AT + AT 32: ECM + Modem + NV + MOS + Diag + LOG + AT + AT 33: RNDIS + Modem + NV + MOS + Diag + LOG + AT + AT A detailed description of the USB configuration for each mode follows: +GTUSBMODE: 31 -------------- T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#=124 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1782 ProdID=4d10 Rev= 0.00 S: Manufacturer=FIBOCOM S: Product=L610 C:* #Ifs= 7 Cfg#= 1 Atr=e0 MxPwr=400mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +GTUSBMODE: 32 -------------- T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#=122 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1782 ProdID=4d11 Rev= 0.00 S: Manufacturer=FIBOCOM S: Product=L610 C:* #Ifs= 9 Cfg#= 1 Atr=e0 MxPwr=400mA A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=06 Prot=00 I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=32ms I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 7 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 8 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +GTUSBMODE: 33 -------------- T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#=126 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1782 ProdID=4d11 Rev= 0.00 S: Manufacturer=FIBOCOM S: Product=L610 C:* #Ifs= 9 Cfg#= 1 Atr=e0 MxPwr=400mA A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=03 I:* If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=4096ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 7 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 8 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms Signed-off-by: Sven Schwermer Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

USB: serial: pl2303: add device id for HP LM930 Display

2022-05-05T11:31:03+00:00

Add the device id for the HPLM930Display which is a PL2303GC based device. Signed-off-by: Scott Chen Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

USB: serial: whiteheat: fix heap overflow in WHITEHEAT_GET_DTR_RTS

2022-04-21T08:08:06+00:00

The sizeof(struct whitehat_dr_info) can be 4 bytes under CONFIG_AEABI=n due to "-mabi=apcs-gnu", even though it has a single u8: whiteheat_private { __u8 mcr; /* 0 1 */ /* size: 4, cachelines: 1, members: 1 */ /* padding: 3 */ /* last cacheline: 4 bytes */ }; The result is technically harmless, as both the source and the destinations are currently the same allocation size (4 bytes) and don't use their padding, but if anything were to ever be added after the "mcr" member in "struct whiteheat_private", it would be overwritten. The structs both have a single u8 "mcr" member, but are 4 bytes in padded size. The memcpy() destination was explicitly targeting the u8 member (size 1) with the length of the whole structure (size 4), triggering the memcpy buffer overflow warning: In file included from include/linux/string.h:253, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/spinlock.h:62, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from drivers/usb/serial/whiteheat.c:17: In function 'fortify_memcpy_chk', inlined from 'firm_send_command' at drivers/usb/serial/whiteheat.c:587:4: include/linux/fortify-string.h:328:25: warning: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning] 328 | __write_overflow_field(p_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Instead, just assign the one byte directly. Reported-by: kernel test robot Link: https://lore.kernel.org/lkml/202204142318.vDqjjSFn-lkp@intel.com Cc: stable@vger.kernel.org Signed-off-by: Kees Cook Link: https://lore.kernel.org/r/20220421001234.2421107-1-keescook@chromium.org Signed-off-by: Johan Hovold

USB: serial: cp210x: add PIDs for Kamstrup USB Meter Reader

2022-04-20T07:19:42+00:00

Wireless reading of water and heat meters using 868 MHz wM-Bus mode C1. The two different product IDs allow detection of dongle antenna solution: - Internal antenna - External antenna using SMA connector https://www.kamstrup.com/en-en/water-solutions/water-meter-reading/usb-meter-reader Signed-off-by: Bruno Thomsen Link: https://lore.kernel.org/r/20220414081202.5591-1-bruno.thomsen@gmail.com Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

USB: serial: option: add support for Cinterion MV32-WA/MV32-WB

2022-04-20T07:12:34+00:00

Add support for Cinterion device MV32-WA/MV32-WB. MV32-WA PID is 0x00F1, and MV32-WB PID is 0x00F2. Test evidence as below: T: Bus=04 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 4 Spd=5000 MxCh= 0 D: Ver= 3.20 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs= 1 P: Vendor=1e2d ProdID=00f1 Rev=05.04 S: Manufacturer=Cinterion S: Product=Cinterion PID 0x00F1 USB Mobile Broadband S: SerialNumber=78ada8c4 C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=896mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim I: If#=0x1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option I: If#=0x3 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) I: If#=0x4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option I: If#=0x5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option T: Bus=04 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 3 Spd=5000 MxCh= 0 D: Ver= 3.20 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs= 1 P: Vendor=1e2d ProdID=00f2 Rev=05.04 S: Manufacturer=Cinterion S: Product=Cinterion PID 0x00F2 USB Mobile Broadband S: SerialNumber=cdd06a78 C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=896mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim I: If#=0x1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option I: If#=0x3 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) I: If#=0x4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option I: If#=0x5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option Interface 0&1: MBIM, 2:Modem, 3: GNSS, 4: NMEA, 5: Diag GNSS port don't use serial driver. Signed-off-by: Slark Xiao Link: https://lore.kernel.org/r/20220414074434.5699-1-slark_xiao@163.com Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

USB: serial: option: add Telit 0x1057, 0x1058, 0x1075 compositions

2022-04-11T08:00:03+00:00

Add support for the following Telit FN980 and FN990 compositions: 0x1057: tty, adb, rmnet, tty, tty, tty, tty, tty 0x1058: tty, adb, tty, tty, tty, tty, tty 0x1075: adb, tty Signed-off-by: Daniele Palmas Link: https://lore.kernel.org/r/20220406141408.580669-1-dnlplm@gmail.com Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold

Merge tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2022-03-28T20:00:51+00:00

Pull tty/serial driver updates from Greg KH: "Here are the big set of tty and serial driver changes for 5.18-rc1. Nothing major, some more good cleanups from Jiri and 2 new serial drivers. Highlights include: - termbits cleanups - export symbol cleanups and other core cleanups from Jiri Slaby - new sunplus and mvebu uart drivers (amazing that people are still creating new uarts...) - samsung serial driver cleanups - ldisc 29 is now "reserved" for experimental/development line disciplines - lots of other tiny fixes and cleanups to serial drivers and bindings All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (104 commits) vt_ioctl: fix potential spectre v1 in VT_DISALLOCATE serial: 8250: fix XOFF/XON sending when DMA is used tty: serial: samsung: Add ARTPEC-8 support dt-bindings: serial: samsung: Add ARTPEC-8 UART serial: sc16is7xx: Clear RS485 bits in the shutdown tty: serial: samsung: simplify getting OF match data tty: serial: samsung: constify variables and pointers tty: serial: samsung: constify s3c24xx_serial_drv_data members tty: serial: samsung: constify UART name tty: serial: samsung: constify s3c24xx_serial_drv_data tty: serial: samsung: reduce number of casts tty: serial: samsung: embed s3c2410_uartcfg in parent structure tty: serial: samsung: embed s3c24xx_uart_info in parent structure serial: 8250_tegra: mark acpi_device_id as unused with !ACPI tty: serial: bcm63xx: use more precise Kconfig symbol serial: SERIAL_SUNPLUS should depend on ARCH_SUNPLUS tty: serial: jsm: fix two assignments in if conditions tty: serial: jsm: remove redundant assignments to variable linestatus serial: 8250_mtk: make two read-only arrays static const serial: samsung_tty: do not unlock port->lock for uart_write_wakeup() ...

USB: serial: usb_wwan: remove redundant assignment to variable i

2022-03-08T17:51:02+00:00

Variable i is being assigned a value that is never read, it is being re-assigned two statements later in a for-loop. The assignment is redundant and can be removed. Cleans up clang scan build warning: drivers/usb/serial/usb_wwan.c:151:2: warning: Value stored to 'i' is never read [deadcode.DeadStores] Signed-off-by: Colin Ian King Signed-off-by: Johan Hovold