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

Message ID 9f5ee0186d6062eb31ed197d1b4a45c5eec110b2.camel@infradead.org (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series ptp: vmclock: bugfixes and cleanups for error handling | expand

Commit Message

David Woodhouse Feb. 7, 2025, 9:13 a.m. UTC 
From: David Woodhouse <dwmw@amazon.co.uk>

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>
---
 drivers/ptp/ptp_vmclock.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

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,
 };