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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-04 23:38:32 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-04 23:38:32 +0200 |
commit | 6844dc42722cac37762a45e742ab4b2cc5348023 (patch) | |
tree | 04d8190aa5c34480dc9c5ba1aca85675b875e448 | |
parent | Revert "usb: host: ehci: Use dma_pool_zalloc()" (diff) | |
parent | USB: serial: visor: handle potential invalid device configuration (diff) | |
download | linux-6844dc42722cac37762a45e742ab4b2cc5348023.tar.xz linux-6844dc42722cac37762a45e742ab4b2cc5348023.zip |
Merge tag 'usb-serial-4.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.17-rc4
Here's a fix for a long-standing issue in the visor driver, which could
have security implications. Included is also a new modem device id.
Both commits have been in linux-next for a couple of days with no
reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
-rw-r--r-- | drivers/usb/serial/option.c | 5 | ||||
-rw-r--r-- | drivers/usb/serial/visor.c | 69 |
2 files changed, 40 insertions, 34 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c3f252283ab9..2058852a87fa 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -233,6 +233,8 @@ static void option_instat_callback(struct urb *urb); /* These Quectel products use Qualcomm's vendor ID */ #define QUECTEL_PRODUCT_UC20 0x9003 #define QUECTEL_PRODUCT_UC15 0x9090 +/* These u-blox products use Qualcomm's vendor ID */ +#define UBLOX_PRODUCT_R410M 0x90b2 /* These Yuga products use Qualcomm's vendor ID */ #define YUGA_PRODUCT_CLM920_NC5 0x9625 @@ -1065,6 +1067,9 @@ static const struct usb_device_id option_ids[] = { /* Yuga products use Qualcomm vendor ID */ { USB_DEVICE(QUALCOMM_VENDOR_ID, YUGA_PRODUCT_CLM920_NC5), .driver_info = RSVD(1) | RSVD(4) }, + /* u-blox products using Qualcomm vendor ID */ + { USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R410M), + .driver_info = RSVD(1) | RSVD(3) }, /* Quectel products using Quectel vendor ID */ { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21), .driver_info = RSVD(4) }, diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index f5373ed2cd45..8ddbecc25d89 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -335,47 +335,48 @@ static int palm_os_3_probe(struct usb_serial *serial, goto exit; } - if (retval == sizeof(*connection_info)) { - connection_info = (struct visor_connection_info *) - transfer_buffer; - - num_ports = le16_to_cpu(connection_info->num_ports); - for (i = 0; i < num_ports; ++i) { - switch ( - connection_info->connections[i].port_function_id) { - case VISOR_FUNCTION_GENERIC: - string = "Generic"; - break; - case VISOR_FUNCTION_DEBUGGER: - string = "Debugger"; - break; - case VISOR_FUNCTION_HOTSYNC: - string = "HotSync"; - break; - case VISOR_FUNCTION_CONSOLE: - string = "Console"; - break; - case VISOR_FUNCTION_REMOTE_FILE_SYS: - string = "Remote File System"; - break; - default: - string = "unknown"; - break; - } - dev_info(dev, "%s: port %d, is for %s use\n", - serial->type->description, - connection_info->connections[i].port, string); - } + if (retval != sizeof(*connection_info)) { + dev_err(dev, "Invalid connection information received from device\n"); + retval = -ENODEV; + goto exit; } - /* - * Handle devices that report invalid stuff here. - */ + + connection_info = (struct visor_connection_info *)transfer_buffer; + + num_ports = le16_to_cpu(connection_info->num_ports); + + /* Handle devices that report invalid stuff here. */ if (num_ports == 0 || num_ports > 2) { dev_warn(dev, "%s: No valid connect info available\n", serial->type->description); num_ports = 2; } + for (i = 0; i < num_ports; ++i) { + switch (connection_info->connections[i].port_function_id) { + case VISOR_FUNCTION_GENERIC: + string = "Generic"; + break; + case VISOR_FUNCTION_DEBUGGER: + string = "Debugger"; + break; + case VISOR_FUNCTION_HOTSYNC: + string = "HotSync"; + break; + case VISOR_FUNCTION_CONSOLE: + string = "Console"; + break; + case VISOR_FUNCTION_REMOTE_FILE_SYS: + string = "Remote File System"; + break; + default: + string = "unknown"; + break; + } + dev_info(dev, "%s: port %d, is for %s use\n", + serial->type->description, + connection_info->connections[i].port, string); + } dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, num_ports); |