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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-11 11:41:19 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-11 11:41:19 -0700 |
| commit | 4af6600fd793023c01634cca5abfe4a2b707788f (patch) | |
| tree | 9e3a830d7782512b492011932ddd789d13a900c4 /drivers/xen/gntalloc.c | |
| parent | 447a8b858e4bda41c394b1bc7fdbc9dc0bdf44f6 (diff) | |
| parent | 68da166491655bc54051bf04c78ce648e2e33508 (diff) | |
| download | op-kernel-dev-4af6600fd793023c01634cca5abfe4a2b707788f.zip op-kernel-dev-4af6600fd793023c01634cca5abfe4a2b707788f.tar.gz | |
Merge branch 'next' into for-linus
Prepare second round of input updates for 3.18.
Diffstat (limited to 'drivers/xen/gntalloc.c')
| -rw-r--r-- | drivers/xen/gntalloc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 787d179..e53fe19 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -124,7 +124,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, int i, rc, readonly; LIST_HEAD(queue_gref); LIST_HEAD(queue_file); - struct gntalloc_gref *gref; + struct gntalloc_gref *gref, *next; readonly = !(op->flags & GNTALLOC_FLAG_WRITABLE); rc = -ENOMEM; @@ -141,13 +141,11 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, goto undo; /* Grant foreign access to the page. */ - gref->gref_id = gnttab_grant_foreign_access(op->domid, + rc = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), readonly); - if ((int)gref->gref_id < 0) { - rc = gref->gref_id; + if (rc < 0) goto undo; - } - gref_ids[i] = gref->gref_id; + gref_ids[i] = gref->gref_id = rc; } /* Add to gref lists. */ @@ -162,8 +160,8 @@ undo: mutex_lock(&gref_mutex); gref_size -= (op->count - i); - list_for_each_entry(gref, &queue_file, next_file) { - /* __del_gref does not remove from queue_file */ + list_for_each_entry_safe(gref, next, &queue_file, next_file) { + list_del(&gref->next_file); __del_gref(gref); } @@ -193,7 +191,7 @@ static void __del_gref(struct gntalloc_gref *gref) gref->notify.flags = 0; - if (gref->gref_id > 0) { + if (gref->gref_id) { if (gnttab_query_foreign_access(gref->gref_id)) return; |
