From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Wed, 29 Jun 2022 13:07:02 +0000 (+0200)
Subject: vfio: do not set FMODE_LSEEK flag
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=54ef7a47f67de9e87022a5310d1e8332af3e2696;p=linux.git

vfio: do not set FMODE_LSEEK flag

This file does not support llseek, so don't set the flag advertising it.

Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 61e71c1154be6..d194dda89542e 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1129,7 +1129,7 @@ static struct file *vfio_device_open(struct vfio_device *device)
 	 * Appears to be missing by lack of need rather than
 	 * explicitly prevented.  Now there's need.
 	 */
-	filep->f_mode |= (FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE);
+	filep->f_mode |= (FMODE_PREAD | FMODE_PWRITE);
 
 	if (device->group->type == VFIO_NO_IOMMU)
 		dev_warn(device->dev, "vfio-noiommu device opened by user "