ptp: vmclock: Add .owner to vmclock_miscdev_fops

Without the .owner field, the module can be unloaded while /dev/vmclock0
is open, leading to an oops.

Fixes: 205032724226 ("ptp: Add support for the AMZNC10C 'vmclock' device")
Cc: stable@vger.kernel.org
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
(cherry picked from commit 7b07b040257c1b658ef3eca86e4b6ae02d65069c)

diff --git a/ptp_vmclock.c b/ptp_vmclock.c
index e1cdca12ff16f81bf782714f467ba6c0f071033a..56948e0081199bb2457c5868f5f2980f0a7774b6 100644 (file)
--- a/ptp_vmclock.c
+++ b/ptp_vmclock.c
@@ -419,6 +419,7 @@ static ssize_t vmclock_miscdev_read(struct file *fp, char __user *buf,
 }
 
 static const struct file_operations vmclock_miscdev_fops = {
+       .owner = THIS_MODULE,
        .mmap = vmclock_miscdev_mmap,
        .read = vmclock_miscdev_read,
 };