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| author | Takashi Iwai <tiwai@suse.de> | 2011-04-26 15:05:39 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-04-26 15:05:39 +0200 |
| commit | 31d44b57c508971c083ce038d7c5ededd09cea01 (patch) | |
| tree | 249689625896d65894f56763c22f726e39fde5ec /drivers/xen/gntdev.c | |
| parent | 885f42e1f466c36e3663d912a831e940f01a112b (diff) | |
| parent | 1c7276cfc04b1a5b296b691c2e07297a4f6c19aa (diff) | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'drivers/xen/gntdev.c')
| -rw-r--r-- | drivers/xen/gntdev.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 017ce600fbc6..b0f9e8fb0052 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -273,7 +273,7 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages) map->vma->vm_start + map->notify.addr; err = copy_to_user(tmp, &err, 1); if (err) - return err; + return -EFAULT; map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE; } else if (pgno >= offset && pgno < offset + pages) { uint8_t *tmp = kmap(map->pages[pgno]); @@ -662,7 +662,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) if (map->flags) { if ((vma->vm_flags & VM_WRITE) && (map->flags & GNTMAP_readonly)) - return -EINVAL; + goto out_unlock_put; } else { map->flags = GNTMAP_host_map; if (!(vma->vm_flags & VM_WRITE)) @@ -700,6 +700,8 @@ unlock_out: spin_unlock(&priv->lock); return err; +out_unlock_put: + spin_unlock(&priv->lock); out_put_map: if (use_ptemod) map->vma = NULL; |