tree 33658f9b194c4737d949e7a9e75b3d3181418679
parent 1c343f7b0e177e8ca7f4d4a5dd1fa790f85abbcc
author Muhammad Falak R Wani <falakreyaz@gmail.com> 1463750480 +0530
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1465826292 +0200

s390/keyboard: use memdup_user_nul()

Use memdup_user_nul to duplicate a memory region from user-space
to kernel-space and terminate with a NULL, instead of open coding
using kmalloc + copy_from_user and explicitly NULL terminating.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
[heiko.carstens@de.ibm.com: remove comment]
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>