linux-kernel - [PATCH v3 7/7] vfio: do not set FMODE

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Message-Id: <20220629130702.954310-8-Jason@zx2c4.com>
Date:   Wed, 29 Jun 2022 15:07:02 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        Alex Williamson <alex.williamson@...hat.com>
Subject: [PATCH v3 7/7] 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@...hat.com>
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 drivers/vfio/vfio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 61e71c1154be..d194dda89542 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 "
-- 
2.35.1