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(parent: 572f64c) | patch
vfio/fsl-mc: return -EFAULT if copy_to_user() fails
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 23 Oct 2020 11:34:50 +0000 (14:34 +0300)
committerAlex Williamson <alex.williamson@redhat.com>
Mon, 2 Nov 2020 22:00:06 +0000 (15:00 -0700)
commit09699e56dee946a16767021af97411ed6f4b3e6b
tree48550a0d839441495ef35d09a395f2dc009f8946tree | snapshot
parent572f64c71e0fe30089699b22ce0ca3d4bf452ce9commit | diff
vfio/fsl-mc: return -EFAULT if copy_to_user() fails

The copy_to_user() function returns the number of bytes remaining to be
copied, but this code should return -EFAULT.

Fixes: df747bcd5b21 ("vfio/fsl-mc: Implement VFIO_DEVICE_GET_REGION_INFO ioctl call")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Diana Craciun <diana.craciun@oss.nxp.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/fsl-mc/vfio_fsl_mc.c diff | blob | history
Domain: System / Kernel;