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path: root/drivers/misc/sgi-gru/grutlbpurge.c
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Diffstat (limited to 'drivers/misc/sgi-gru/grutlbpurge.c')
-rw-r--r--drivers/misc/sgi-gru/grutlbpurge.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/misc/sgi-gru/grutlbpurge.c b/drivers/misc/sgi-gru/grutlbpurge.c
index 2129274ef7ab..e936d43895d2 100644
--- a/drivers/misc/sgi-gru/grutlbpurge.c
+++ b/drivers/misc/sgi-gru/grutlbpurge.c
@@ -306,19 +306,20 @@ struct gru_mm_struct *gru_register_mmu_notifier(void)
atomic_inc(&gms->ms_refcnt);
} else {
gms = kzalloc(sizeof(*gms), GFP_KERNEL);
- if (gms) {
- STAT(gms_alloc);
- spin_lock_init(&gms->ms_asid_lock);
- gms->ms_notifier.ops = &gru_mmuops;
- atomic_set(&gms->ms_refcnt, 1);
- init_waitqueue_head(&gms->ms_wait_queue);
- err = __mmu_notifier_register(&gms->ms_notifier, current->mm);
- if (err)
- goto error;
- }
+ if (!gms)
+ return ERR_PTR(-ENOMEM);
+ STAT(gms_alloc);
+ spin_lock_init(&gms->ms_asid_lock);
+ gms->ms_notifier.ops = &gru_mmuops;
+ atomic_set(&gms->ms_refcnt, 1);
+ init_waitqueue_head(&gms->ms_wait_queue);
+ err = __mmu_notifier_register(&gms->ms_notifier, current->mm);
+ if (err)
+ goto error;
}
- gru_dbg(grudev, "gms %p, refcnt %d\n", gms,
- atomic_read(&gms->ms_refcnt));
+ if (gms)
+ gru_dbg(grudev, "gms %p, refcnt %d\n", gms,
+ atomic_read(&gms->ms_refcnt));
return gms;
error:
kfree(gms);