diff mbox series

[net-next,v2,1/8] net/smc: Terminate connections prior to device removal

Message ID 20230123181752.1068-2-jaka@linux.ibm.com (mailing list archive)
State Accepted
Commit c40bff4132e5c1320635ae809d001ccb5598dac6
Delegated to: Netdev Maintainers
Headers show
Series drivers/s390/net/ism: Add generalized interface | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 13 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jan Karcher Jan. 23, 2023, 6:17 p.m. UTC 
From: Stefan Raspl <raspl@linux.ibm.com>

Removing an ISM device prior to terminating its associated connections
doesn't end well.

Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
---
 net/smc/smc_ism.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 911fe08bc54b..28e1641f990c 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -462,11 +462,11 @@  void smcd_unregister_dev(struct smcd_dev *smcd)
 {
 	pr_warn_ratelimited("smc: removing smcd device %s\n",
 			    dev_name(&smcd->dev));
+	smcd->going_away = 1;
+	smc_smcd_terminate_all(smcd);
 	mutex_lock(&smcd_dev_list.mutex);
 	list_del_init(&smcd->list);
 	mutex_unlock(&smcd_dev_list.mutex);
-	smcd->going_away = 1;
-	smc_smcd_terminate_all(smcd);
 	destroy_workqueue(smcd->event_wq);
 
 	device_del(&smcd->dev);