cxl/mem: Return -EFAULT if copy_to_user() fails

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The copy_to_user() function returns the number of bytes remaining to be
copied, but we want to return -EFAULT if the copy doesn't complete.

Fixes: b754ffbbc0ee ("cxl/mem: Add basic IOCTL interface")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YC+K3kgzqm20zCWY@mwanda
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dan Carpenter 2021-02-19 12:54:38 +03:00 • committed by Dan Williams

parent 68a5a9a243

commit 58294927f4

1 changed files with 4 additions and 1 deletions

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drivers/cxl/mem.c

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