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authorThomas Zimmermann <tzimmermann@suse.de>2020-04-17 08:12:22 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2020-04-17 08:12:22 +0200
commit08d99b2c23dfa84ca5b5e5c194062a0550888b71 (patch)
treef4cf81ba52b375bbafd3b7ee2603b3a4cae7fe30 /net/smc/smc_core.c
parentdrm: Don't free a struct never allocated by drm_gem_fb_init() (diff)
parentLinux 5.7-rc1 (diff)
downloadwireguard-linux-08d99b2c23dfa84ca5b5e5c194062a0550888b71.tar.xz
wireguard-linux-08d99b2c23dfa84ca5b5e5c194062a0550888b71.zip
Merge drm/drm-next into drm-misc-next
Backmerging required to pull topic/phy-compliance. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'net/smc/smc_core.c')
-rw-r--r--net/smc/smc_core.c26
1 files changed, 11 insertions, 15 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 5b085efa3bce..824c5211b027 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -46,6 +46,7 @@ static DECLARE_WAIT_QUEUE_HEAD(lgrs_deleted);
static void smc_buf_free(struct smc_link_group *lgr, bool is_rmb,
struct smc_buf_desc *buf_desc);
+static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft);
/* return head of link group list and its lock for a given link group */
static inline struct list_head *smc_lgr_list_head(struct smc_link_group *lgr,
@@ -241,7 +242,7 @@ static void smc_lgr_terminate_work(struct work_struct *work)
struct smc_link_group *lgr = container_of(work, struct smc_link_group,
terminate_work);
- smc_lgr_terminate(lgr, true);
+ __smc_lgr_terminate(lgr, true);
}
/* create a new SMC link group */
@@ -588,15 +589,15 @@ static void smc_lgr_cleanup(struct smc_link_group *lgr)
} else {
struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];
- wake_up(&lnk->wr_reg_wait);
- if (lnk->state != SMC_LNK_INACTIVE) {
- smc_link_send_delete(lnk, false);
+ if (lnk->state != SMC_LNK_INACTIVE)
smc_llc_link_inactive(lnk);
- }
}
}
-/* terminate link group */
+/* terminate link group
+ * @soft: true if link group shutdown can take its time
+ * false if immediate link group shutdown is required
+ */
static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft)
{
struct smc_connection *conn;
@@ -634,25 +635,20 @@ static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft)
smc_lgr_free(lgr);
}
-/* unlink and terminate link group
- * @soft: true if link group shutdown can take its time
- * false if immediate link group shutdown is required
- */
-void smc_lgr_terminate(struct smc_link_group *lgr, bool soft)
+/* unlink link group and schedule termination */
+void smc_lgr_terminate_sched(struct smc_link_group *lgr)
{
spinlock_t *lgr_lock;
smc_lgr_list_head(lgr, &lgr_lock);
spin_lock_bh(lgr_lock);
- if (lgr->terminating) {
+ if (list_empty(&lgr->list) || lgr->terminating || lgr->freeing) {
spin_unlock_bh(lgr_lock);
return; /* lgr already terminating */
}
- if (!soft)
- lgr->freeing = 1;
list_del_init(&lgr->list);
spin_unlock_bh(lgr_lock);
- __smc_lgr_terminate(lgr, soft);
+ schedule_work(&lgr->terminate_work);
}
/* Called when IB port is terminated */