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authorOliver Neukum <oneukum@suse.com>2015-07-06 13:12:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-07-22 14:46:50 -0700
commit5fb2c782f451a4fb9c19c076e2c442839faf0f76 (patch)
tree99296b5e0868940a143dc2aaf20c25feaf0342ab
parent7d8021c967648accd1b78e5e1ddaad655cd2c61f (diff)
downloadop-kernel-dev-5fb2c782f451a4fb9c19c076e2c442839faf0f76.zip
op-kernel-dev-5fb2c782f451a4fb9c19c076e2c442839faf0f76.tar.gz
usb-storage: ignore ZTE MF 823 card reader in mode 0x1225
This device automatically switches itself to another mode (0x1405) unless the specific access pattern of Windows is followed in its initial mode. That makes a dirty unmount of the internal storage devices inevitable if they are mounted. So the card reader of such a device should be ignored, lest an unclean removal become inevitable. This replaces an earlier patch that ignored all LUNs of this device. That patch was overly broad. Signed-off-by: Oliver Neukum <oneukum@suse.com> CC: stable@vger.kernel.org Reviewed-by: Lars Melin <larsm17@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/storage/unusual_devs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index caf1888..87898ca 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2065,6 +2065,18 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_READ_DISC_INFO ),
+/* Reported by Oliver Neukum <oneukum@suse.com>
+ * This device morphes spontaneously into another device if the access
+ * pattern of Windows isn't followed. Thus writable media would be dirty
+ * if the initial instance is used. So the device is limited to its
+ * virtual CD.
+ * And yes, the concept that BCD goes up to 9 is not heeded */
+UNUSUAL_DEV( 0x19d2, 0x1225, 0x0000, 0xffff,
+ "ZTE,Incorporated",
+ "ZTE WCDMA Technologies MSM",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_SINGLE_LUN ),
+
/* Reported by Sven Geggus <sven-usbst@geggus.net>
* This encrypted pen drive returns bogus data for the initial READ(10).
*/
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