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authorMichael Bestas <mkbestas@lineageos.org>2020-09-19 12:58:54 +0300
committerMichael Bestas <mkbestas@lineageos.org>2020-09-19 12:58:54 +0300
commit3b601dd398b0f8a66744c0ecf384a6cbe65e36e7 (patch)
tree570d5895dfced5d2e443a7f9b8f6fa5f9a7560f3 /drivers/hid/usbhid/hiddev.c
parenta638073161e90ac6dc0ffc2e27cbc4bcd3ff88c3 (diff)
parent5fd2d19eeb9767339e1338eb6789495d1812065b (diff)
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05900-8x98.0 up to date with https://android.googlesource.com/kernel/common/ android-4.4-p at commit: 5fd2d19eeb976 Merge 4.4.236 into android-4.4-p Conflicts: drivers/scsi/ufs/ufshcd.c Change-Id: I22282a0d571bdb72f50d3fc1e2cee4443de1f7f4
Diffstat (limited to 'drivers/hid/usbhid/hiddev.c')
-rw-r--r--drivers/hid/usbhid/hiddev.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 02fa5613c983..26819c68aba8 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -554,12 +554,16 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
switch (cmd) {
case HIDIOCGUSAGE:
+ if (uref->usage_index >= field->report_count)
+ goto inval;
uref->value = field->value[uref->usage_index];
if (copy_to_user(user_arg, uref, sizeof(*uref)))
goto fault;
goto goodreturn;
case HIDIOCSUSAGE:
+ if (uref->usage_index >= field->report_count)
+ goto inval;
field->value[uref->usage_index] = uref->value;
goto goodreturn;