Merge tag 'v5.0-rc7' into patchwork

Linux 5.0-rc7

* tag 'v5.0-rc7': (1667 commits)
  Linux 5.0-rc7
  Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
  Input: st-keyscan - fix potential zalloc NULL dereference
  Input: apanel - switch to using brightness_set_blocking()
  powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
  efi/arm: Revert "Defer persistent reservations until after paging_init()"
  arm64, mm, efi: Account for GICv3 LPI tables in static memblock reserve table
  sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
  include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
  Compiler Attributes: add support for __copy (gcc >= 9)
  lib/crc32.c: mark crc32_le_base/__crc32c_le_base aliases as __pure
  auxdisplay: ht16k33: fix potential user-after-free on module unload
  x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
  i2c: bcm2835: Clear current buffer pointers and counts after a transfer
  i2c: cadence: Fix the hold bit setting
  drm: Use array_size() when creating lease
  dm thin: fix bug where bio that overwrites thin block ignores FUA
  Revert "exec: load_script: don't blindly truncate shebang string"
  Revert "gfs2: read journal in large chunks to locate the head"
  net: ethernet: freescale: set FEC ethtool regs version
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

1 files changed, 9 insertions, 7 deletions

diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 4c66b19e6199..8c9f79042228 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -297,7 +297,8 @@ lpfc_nvme_localport_delete(struct nvme_fc_local_port *localport)
 			 lport);
 
 	/* release any threads waiting for the unreg to complete */
-	complete(&lport->lport_unreg_done);
+	if (lport->vport->localport)
+		complete(lport->lport_unreg_cmp);
 }
 
 /* lpfc_nvme_remoteport_delete
@@ -2545,7 +2546,8 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport)
  */
 void
 lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport,
-			   struct lpfc_nvme_lport *lport)
+			   struct lpfc_nvme_lport *lport,
+			   struct completion *lport_unreg_cmp)
 {
 #if (IS_ENABLED(CONFIG_NVME_FC))
 	u32 wait_tmo;
@@ -2557,8 +2559,7 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport,
 	 */
 	wait_tmo = msecs_to_jiffies(LPFC_NVME_WAIT_TMO * 1000);
 	while (true) {
-		ret = wait_for_completion_timeout(&lport->lport_unreg_done,
-						  wait_tmo);
+		ret = wait_for_completion_timeout(lport_unreg_cmp, wait_tmo);
 		if (unlikely(!ret)) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_IOERR,
 					 "6176 Lport %p Localport %p wait "
@@ -2592,12 +2593,12 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport)
 	struct lpfc_nvme_lport *lport;
 	struct lpfc_nvme_ctrl_stat *cstat;
 	int ret;
+	DECLARE_COMPLETION_ONSTACK(lport_unreg_cmp);
 
 	if (vport->nvmei_support == 0)
 		return;
 
 	localport = vport->localport;
-	vport->localport = NULL;
 	lport = (struct lpfc_nvme_lport *)localport->private;
 	cstat = lport->cstat;
 
@@ -2608,13 +2609,14 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport)
 	/* lport's rport list is clear.  Unregister
 	 * lport and release resources.
 	 */
-	init_completion(&lport->lport_unreg_done);
+	lport->lport_unreg_cmp = &lport_unreg_cmp;
 	ret = nvme_fc_unregister_localport(localport);
 
 	/* Wait for completion.  This either blocks
 	 * indefinitely or succeeds
 	 */
-	lpfc_nvme_lport_unreg_wait(vport, lport);
+	lpfc_nvme_lport_unreg_wait(vport, lport, &lport_unreg_cmp);
+	vport->localport = NULL;
 	kfree(cstat);
 
 	/* Regardless of the unregister upcall response, clear