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authorKevin Hilman <khilman@linaro.org>2015-09-14 14:19:23 -0700
committerKevin Hilman <khilman@linaro.org>2015-09-14 14:19:23 -0700
commitc765e5c15e7d23d2b8b37fafdafc63c0ea75fabf (patch)
treed6145eb7f23c67b0df0df9c088fd5997509a2aa2 /drivers/block/xen-blkfront.c
parentf2857a34e3fe8d47f33b6e97e3335a7c5dfdcd20 (diff)
parent48f8f36a6c8018c2b36ea207aaf68ef5326c5075 (diff)
Merge tag 'v3.14.52' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-linaro-lsk-v3.14lsk-v3.14-15.09
This is the 3.14.52 stable release * tag 'v3.14.52' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable: (64 commits) Linux 3.14.52 arm64: KVM: Fix host crash when injecting a fault into a 32bit guest SCSI: Fix NULL pointer dereference in runtime PM arm64/mm: Remove hack in mmap randomize layout crypto: caam - fix memory corruption in ahash_final_ctx regmap: regcache-rbtree: Clean new present bits on present bitmap resize libfc: Fix fc_fcp_cleanup_each_cmd() libfc: Fix fc_exch_recv_req() error path drm/vmwgfx: Fix execbuf locking issues drm/radeon: add new OLAND pci id EDAC, ppc4xx: Access mci->csrows array elements properly localmodconfig: Use Kbuild files too dm thin metadata: delete btrees when releasing metadata snapshot perf: Fix PERF_EVENT_IOC_PERIOD migration race perf: Fix fasync handling on inherited events xen-blkfront: don't add indirect pages to list when !feature_persistent mm/hwpoison: fix page refcount of unknown non LRU page ipc/sem.c: update/correct memory barriers ipc,sem: fix use after free on IPC_RMID after a task using same semaphore set exits Linux 3.14.51 ...
Diffstat (limited to 'drivers/block/xen-blkfront.c')
-rw-r--r--drivers/block/xen-blkfront.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index efe1b4761735..e88556ac8318 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1093,8 +1093,10 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
* Add the used indirect page back to the list of
* available pages for indirect grefs.
*/
- indirect_page = pfn_to_page(s->indirect_grants[i]->pfn);
- list_add(&indirect_page->lru, &info->indirect_pages);
+ if (!info->feature_persistent) {
+ indirect_page = pfn_to_page(s->indirect_grants[i]->pfn);
+ list_add(&indirect_page->lru, &info->indirect_pages);
+ }
s->indirect_grants[i]->gref = GRANT_INVALID_REF;
list_add_tail(&s->indirect_grants[i]->node, &info->grants);
}