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authorLinus Torvalds <torvalds@linux-foundation.org>2017-03-23 19:51:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-03-23 19:51:06 -0700
commit02a2cad8e83817524cd4e14fc1c68c8c94768723 (patch)
tree13327206ada89c4ac9d0d1a0862cbc8b7e421aff /drivers/input/touchscreen
parentd038e3dcfff6e3de132726a9c7174d8170032aa4 (diff)
parent47e6fb4212d09f325c0847d05985dd3d71553095 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov: "Fixes to various USB drivers to validate existence of endpoints before trying to use them, fixes to APLS v8 protocol, and a couple of i8042 quirks" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: ALPS - fix trackstick button handling on V8 devices Input: ALPS - fix V8+ protocol handling (73 03 28) Input: sur40 - validate number of endpoints before using them Input: kbtab - validate number of endpoints before using them Input: hanwang - validate number of endpoints before using them Input: yealink - validate number of endpoints before using them Input: ims-pcu - validate number of endpoints before using them Input: cm109 - validate number of endpoints before using them Input: iforce - validate number of endpoints before using them Input: elan_i2c - add ASUS EeeBook X205TA special touchpad fw Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list Input: synaptics-rmi4 - prevent null pointer dereference in f30 Input: i8042 - add noloop quirk for Dell Embedded Box PC 3000
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/sur40.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index aefb6e11f88a..4c0eecae065c 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -527,6 +527,9 @@ static int sur40_probe(struct usb_interface *interface,
if (iface_desc->desc.bInterfaceClass != 0xFF)
return -ENODEV;
+ if (iface_desc->desc.bNumEndpoints < 5)
+ return -ENODEV;
+
/* Use endpoint #4 (0x86). */
endpoint = &iface_desc->endpoint[4].desc;
if (endpoint->bEndpointAddress != TOUCH_ENDPOINT)