[PATCH net-next 5/4] ptp: vmclock: Add .owner to vmclock_miscdev_fops

From: David Woodhouse
Date: Fri Feb 07 2025 - 04:14:14 EST


From: David Woodhouse <dwmw@xxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx
Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
---
drivers/ptp/ptp_vmclock.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/ptp/ptp_vmclock.c b/drivers/ptp/ptp_vmclock.c
index 26fcc1185ee7..b3a83b03d9c1 100644
--- a/drivers/ptp/ptp_vmclock.c
+++ b/drivers/ptp/ptp_vmclock.c
@@ -414,6 +414,7 @@ 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,
};
--
2.48.1


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