misc: sgi-gru: fix return of error
authorSudip Mukherjee <sudipm.mukherjee@gmail.com>
Mon, 21 Sep 2015 10:18:19 +0000 (15:48 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Oct 2015 11:55:59 +0000 (12:55 +0100)
commita9e5fe58265d2af5472ea49ec82428e53ac00431
tree7057913f4091ba88adae14e8bbdead5867d88c78
parent9dcf9cbfa17f03a4ecda4310ab76138ce9173555
misc: sgi-gru: fix return of error

If kzalloc() fails then gms is NULL and we are returning NULL, but the
functions which called this function gru_register_mmu_notifier() are not
expecting NULL as the return. They are expecting either a valid pointer
or the error code in ERR_PTR.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Acked-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/sgi-gru/grutlbpurge.c