diff options
author | Michael Bestas <mkbestas@lineageos.org> | 2020-09-19 12:58:54 +0300 |
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committer | Michael Bestas <mkbestas@lineageos.org> | 2020-09-19 12:58:54 +0300 |
commit | 3b601dd398b0f8a66744c0ecf384a6cbe65e36e7 (patch) | |
tree | 570d5895dfced5d2e443a7f9b8f6fa5f9a7560f3 /drivers/hid/usbhid/hiddev.c | |
parent | a638073161e90ac6dc0ffc2e27cbc4bcd3ff88c3 (diff) | |
parent | 5fd2d19eeb9767339e1338eb6789495d1812065b (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.c | 4 |
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; |