KVM: s390: return -EFAULT if copy_from_user() fails

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When copy_from_user() fails, this code returns the number of bytes
remaining instead of a negative error code.  The positive number is
returned to the user but otherwise it is harmless.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

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Dan Carpenter 2014-05-03 23:18:11 +03:00 • committed by Christian Borntraeger

parent 57b5981cd3

commit fcc9aec3de

1 changed files with 3 additions and 2 deletions

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arch/s390/kvm/guestdbg.c

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