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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/rmi4/rmi_f30.c
parentd038e3dcfff6e3de132726a9c7174d8170032aa4 (diff)
parent47e6fb4212d09f325c0847d05985dd3d71553095 (diff)
downloadlinux-02a2cad8e83817524cd4e14fc1c68c8c94768723.tar.bz2
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/rmi4/rmi_f30.c')
-rw-r--r--drivers/input/rmi4/rmi_f30.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/rmi4/rmi_f30.c b/drivers/input/rmi4/rmi_f30.c
index 198678613382..34dfee555b20 100644
--- a/drivers/input/rmi4/rmi_f30.c
+++ b/drivers/input/rmi4/rmi_f30.c
@@ -170,6 +170,10 @@ static int rmi_f30_config(struct rmi_function *fn)
rmi_get_platform_data(fn->rmi_dev);
int error;
+ /* can happen if f30_data.disable is set */
+ if (!f30)
+ return 0;
+
if (pdata->f30_data.trackstick_buttons) {
/* Try [re-]establish link to F03. */
f30->f03 = rmi_find_function(fn->rmi_dev, 0x03);