staging: lustre: obdclass: return -EFAULT if copy_from_user() fails

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commit 092c3def24 upstream.

The copy_from_user() function returns the number of bytes which we
weren't able to copy.  We don't want to return that to the user but
instead we want to return -EFAULT.

Fixes: d7e09d0397 ("staging: add Lustre file system client support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Dan Carpenter 2017-08-26 09:04:18 +03:00 • committed by Ben Hutchings

parent 1ba4b6f74d

commit ddee76d516

1 changed files with 2 additions and 2 deletions

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drivers/staging/lustre/lustre/obdclass/class_obd.c

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