diff --git a/block/blk-mq-pci.c b/block/blk-mq-pci.c
index 0c3354cf3552877d7542cdb32f0ce4102a79fcce..76944e3271bf34a730e62fa0b27266abce86942e 100644
--- a/block/blk-mq-pci.c
+++ b/block/blk-mq-pci.c
@@ -36,12 +36,18 @@ int blk_mq_pci_map_queues(struct blk_mq_tag_set *set, struct pci_dev *pdev)
for (queue = 0; queue < set->nr_hw_queues; queue++) {
mask = pci_irq_get_affinity(pdev, queue);
if (!mask)
- return -EINVAL;
+ goto fallback;
for_each_cpu(cpu, mask)
set->mq_map[cpu] = queue;
}
return 0;
+
+fallback:
+ WARN_ON_ONCE(set->nr_hw_queues > 1);
+ for_each_possible_cpu(cpu)
+ set->mq_map[cpu] = 0;
+ return 0;
}
EXPORT_SYMBOL_GPL(blk_mq_pci_map_queues);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 535cbdf32aabb28de64e7613e748bfa7a73ade6a..4603b115e234887860cbb28520c36ba9e5e7efd8 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -360,12 +360,12 @@ struct request *blk_mq_alloc_request(struct request_queue *q, unsigned int op,
return ERR_PTR(ret);
rq = blk_mq_get_request(q, NULL, op, &alloc_data);
+ blk_queue_exit(q);
if (!rq)
return ERR_PTR(-EWOULDBLOCK);
blk_mq_put_ctx(alloc_data.ctx);
- blk_queue_exit(q);
rq->__data_len = 0;
rq->__sector = (sector_t) -1;
@@ -411,12 +411,11 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q,
alloc_data.ctx = __blk_mq_get_ctx(q, cpu);
rq = blk_mq_get_request(q, NULL, op, &alloc_data);
+ blk_queue_exit(q);
if (!rq)
return ERR_PTR(-EWOULDBLOCK);
- blk_queue_exit(q);
-
return rq;
}
EXPORT_SYMBOL_GPL(blk_mq_alloc_request_hctx);
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 98e34e4c62b8b228a6ee6d37256e860ee7d3c2b7..2468c28d477110e6bcb2cbf5225dd481c6ec5b95 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2075,9 +2075,9 @@ static int blkfront_resume(struct xenbus_device *dev)
/*
* Get the bios in the request so we can re-queue them.
*/
- if (req_op(shadow[i].request) == REQ_OP_FLUSH ||
- req_op(shadow[i].request) == REQ_OP_DISCARD ||
- req_op(shadow[i].request) == REQ_OP_SECURE_ERASE ||
+ if (req_op(shadow[j].request) == REQ_OP_FLUSH ||
+ req_op(shadow[j].request) == REQ_OP_DISCARD ||
+ req_op(shadow[j].request) == REQ_OP_SECURE_ERASE ||
shadow[j].request->cmd_flags & REQ_FUA) {
/*
* Flush operations don't contain bios, so
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 2e582a2409437bca7d603598290d023bd988c577..5f5cd306f76d05e8cb7351cb91403d7f9a554d9a 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -794,7 +794,8 @@ static int nvmf_check_allowed_opts(struct nvmf_ctrl_options *opts,
int i;
for (i = 0; i < ARRAY_SIZE(opt_tokens); i++) {
- if (opt_tokens[i].token & ~allowed_opts) {
+ if ((opt_tokens[i].token & opts->mask) &&
+ (opt_tokens[i].token & ~allowed_opts)) {
pr_warn("invalid parameter '%s'\n",
opt_tokens[i].pattern);
}
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 74a124a062640ae77abb8554881e1a93222abd2d..925467b31a333940dc62d62c4c5f3376316e4120 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -801,6 +801,7 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq,
return;
}
+ nvmeq->cqe_seen = 1;
req = blk_mq_tag_to_rq(*nvmeq->tags, cqe->command_id);
nvme_end_request(req, cqe->status, cqe->result);
}
@@ -830,10 +831,8 @@ static void nvme_process_cq(struct nvme_queue *nvmeq)
consumed++;
}
- if (consumed) {
+ if (consumed)
nvme_ring_cq_doorbell(nvmeq);
- nvmeq->cqe_seen = 1;
- }
}
static irqreturn_t nvme_irq(int irq, void *data)
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 2d7a98ab53fbf2de131990b753b929fe31cd154b..a53bb6635b8378d00f7fb4d367a16170d81a846e 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -199,12 +199,6 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
copy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1);
copy_and_pad(id->fr, sizeof(id->fr), UTS_RELEASE, strlen(UTS_RELEASE));
- memset(id->mn, ' ', sizeof(id->mn));
- strncpy((char *)id->mn, "Linux", sizeof(id->mn));
-
- memset(id->fr, ' ', sizeof(id->fr));
- strncpy((char *)id->fr, UTS_RELEASE, sizeof(id->fr));
-
id->rab = 6;
/*
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 1b7f2520a20db7e151afe4a85a0e488fe0c85005..309c84aa7595b9b2ffab72c8a632c97f29def6d1 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -394,7 +394,7 @@ nvmet_fc_free_ls_iodlist(struct nvmet_fc_tgtport *tgtport)
static struct nvmet_fc_ls_iod *
nvmet_fc_alloc_ls_iod(struct nvmet_fc_tgtport *tgtport)
{
- static struct nvmet_fc_ls_iod *iod;
+ struct nvmet_fc_ls_iod *iod;
unsigned long flags;
spin_lock_irqsave(&tgtport->lock, flags);
@@ -471,7 +471,7 @@ nvmet_fc_destroy_fcp_iodlist(struct nvmet_fc_tgtport *tgtport,
static struct nvmet_fc_fcp_iod *
nvmet_fc_alloc_fcp_iod(struct nvmet_fc_tgt_queue *queue)
{
- static struct nvmet_fc_fcp_iod *fod;
+ struct nvmet_fc_fcp_iod *fod;
lockdep_assert_held(&queue->qlock);
@@ -704,7 +704,7 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue)
{
struct nvmet_fc_tgtport *tgtport = queue->assoc->tgtport;
struct nvmet_fc_fcp_iod *fod = queue->fod;
- struct nvmet_fc_defer_fcp_req *deferfcp;
+ struct nvmet_fc_defer_fcp_req *deferfcp, *tempptr;
unsigned long flags;
int i, writedataactive;
bool disconnect;
@@ -735,7 +735,8 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue)
}
/* Cleanup defer'ed IOs in queue */
- list_for_each_entry(deferfcp, &queue->avail_defer_list, req_list) {
+ list_for_each_entry_safe(deferfcp, tempptr, &queue->avail_defer_list,
+ req_list) {
list_del(&deferfcp->req_list);
kfree(deferfcp);
}
diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c
index 4da69dbf7dcad7f2e2898dd807a118596f86058a..1bdd02a6d6ac757c5a500db192b3d7923c316753 100644
--- a/drivers/xen/biomerge.c
+++ b/drivers/xen/biomerge.c
@@ -10,8 +10,7 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));
- return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
- ((bfn1 == bfn2) || ((bfn1+1) == bfn2));
+ return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
#else
/*
* XXX: Add support for merging bio_vec when using different page