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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
drivers
/
hid
/
hid-cypress.c
diff --git
a/kernel/drivers/hid/hid-cypress.c
b/kernel/drivers/hid/hid-cypress.c
index
1b764d1
..
1689568
100644
(file)
--- a/
kernel/drivers/hid/hid-cypress.c
+++ b/
kernel/drivers/hid/hid-cypress.c
@@
-39,6
+39,9
@@
static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
return rdesc;
if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
return rdesc;
+ if (*rsize < 4)
+ return rdesc;
+
for (i = 0; i < *rsize - 4; i++)
if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) {
rdesc[i] = 0x19;
for (i = 0; i < *rsize - 4; i++)
if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) {
rdesc[i] = 0x19;