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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-17 21:54:05 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-17 21:54:05 -0400
commit84fca9f38c5d646e95cdeef70e41cf15db549b95 (patch)
treec904715c9b70a2f0716c84931e2d58b1a226a1e0 /drivers/hid/hid-lg2ff.c
parent03e1261778cca782d41a3d8e3945ca88cf93e01e (diff)
parent0ccdd9e7476680c16113131264ad6597bd10299d (diff)
downloadblackbird-op-linux-84fca9f38c5d646e95cdeef70e41cf15db549b95.tar.gz
blackbird-op-linux-84fca9f38c5d646e95cdeef70e41cf15db549b95.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina: "Fixes for CVE-2013-2897, CVE-2013-2895, CVE-2013-2897, CVE-2013-2894, CVE-2013-2893, CVE-2013-2891, CVE-2013-2890, CVE-2013-2889. All the bugs are triggerable only by specially crafted evil-on-purpose HW devices. Fixes by Kees Cook and Benjamin Tissoires" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: lenovo-tpkbd: fix leak if tpkbd_probe_tp fails HID: multitouch: validate indexes details HID: logitech-dj: validate output report details HID: validate feature and input report details HID: lenovo-tpkbd: validate output report details HID: LG: validate HID output report details HID: steelseries: validate output report details HID: sony: validate HID output report details HID: zeroplus: validate output report details HID: provide a helper for validating hid reports
Diffstat (limited to 'drivers/hid/hid-lg2ff.c')
-rw-r--r--drivers/hid/hid-lg2ff.c19
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c
index b3cd1507dda2..1a42eaa6ca02 100644
--- a/drivers/hid/hid-lg2ff.c
+++ b/drivers/hid/hid-lg2ff.c
@@ -64,26 +64,13 @@ int lg2ff_init(struct hid_device *hid)
struct hid_report *report;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
- struct list_head *report_list =
- &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
int error;
- if (list_empty(report_list)) {
- hid_err(hid, "no output report found\n");
+ /* Check that the report looks ok */
+ report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7);
+ if (!report)
return -ENODEV;
- }
-
- report = list_entry(report_list->next, struct hid_report, list);
-
- if (report->maxfield < 1) {
- hid_err(hid, "output report is empty\n");
- return -ENODEV;
- }
- if (report->field[0]->report_count < 7) {
- hid_err(hid, "not enough values in the field\n");
- return -ENODEV;
- }
lg2ff = kmalloc(sizeof(struct lg2ff_device), GFP_KERNEL);
if (!lg2ff)
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