[PATCH 10/29] ibmvfc: allocate and free NVMe channel group discover buffer
From: Tyrel Datwyler <tyreld@linux.ibm.com>
Date: 2026-06-23 01:30:57
Also in:
linux-scsi, lkml
Subsystem:
ibm power virtual fc device drivers, linux for powerpc (32-bit and 64-bit), scsi subsystem, the rest · Maintainers:
Tyrel Datwyler, Madhavan Srinivasan, Michael Ellerman, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
Allocate a discovery buffer for the NVMe channel group and free it on all teardown and error paths. The existing discovery-buffer allocation only covered the SCSI channel group. This patch is prepratory for sending NVMe/FC target discovery MAD. Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com> --- drivers/scsi/ibmvscsi/ibmvfc-core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc-core.c b/drivers/scsi/ibmvscsi/ibmvfc-core.c
index 9cd688762150..efac82c48258 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc-core.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc-core.c@@ -6365,6 +6365,7 @@ static void ibmvfc_free_mem(struct ibmvfc_host *vhost) mempool_destroy(vhost->tgt_pool); kfree(vhost->trace); ibmvfc_free_disc_buf(vhost->dev, &vhost->scsi_scrqs); + ibmvfc_free_disc_buf(vhost->dev, &vhost->nvme_scrqs); dma_free_coherent(vhost->dev, sizeof(*vhost->login_buf), vhost->login_buf, vhost->login_buf_dma); dma_free_coherent(vhost->dev, sizeof(*vhost->channel_setup_buf),
@@ -6427,12 +6428,15 @@ static int ibmvfc_alloc_mem(struct ibmvfc_host *vhost) if (ibmvfc_alloc_disc_buf(dev, &vhost->scsi_scrqs)) goto free_login_buffer; + if (ibmvfc_alloc_disc_buf(dev, &vhost->nvme_scrqs)) + goto free_scsi_disc_buffer; + vhost->trace = kzalloc_objs(struct ibmvfc_trace_entry, IBMVFC_NUM_TRACE_ENTRIES); atomic_set(&vhost->trace_index, -1); if (!vhost->trace) - goto free_scsi_disc_buffer; + goto free_nvme_disc_buffer; vhost->tgt_pool = mempool_create_kmalloc_pool(IBMVFC_TGT_MEMPOOL_SZ, sizeof(struct ibmvfc_target));
@@ -6458,6 +6462,8 @@ static int ibmvfc_alloc_mem(struct ibmvfc_host *vhost) mempool_destroy(vhost->tgt_pool); free_trace: kfree(vhost->trace); +free_nvme_disc_buffer: + ibmvfc_free_disc_buf(dev, &vhost->nvme_scrqs); free_scsi_disc_buffer: ibmvfc_free_disc_buf(dev, &vhost->scsi_scrqs); free_login_buffer:
--
2.54.0