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ptp: oops in ptp_ioctl()
[deliverable/linux.git]
/
drivers
/
ptp
/
ptp_chardev.c
diff --git
a/drivers/ptp/ptp_chardev.c
b/drivers/ptp/ptp_chardev.c
index 0b1ac6be69ce8d2a73d58432badb7bf7262ad5b6..d637c933c8a90655ffe152101dda2b9c71fd3836 100644
(file)
--- a/
drivers/ptp/ptp_chardev.c
+++ b/
drivers/ptp/ptp_chardev.c
@@
-211,6
+211,7
@@
long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
sysoff = memdup_user((void __user *)arg, sizeof(*sysoff));
if (IS_ERR(sysoff)) {
err = PTR_ERR(sysoff);
+ sysoff = NULL;
break;
}
if (sysoff->n_samples > PTP_MAX_SAMPLES) {
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