diff options
Diffstat (limited to 'net/caif/cfcnfg.c')
| -rw-r--r-- | net/caif/cfcnfg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 7892cc084e27..3f4f31fca2c1 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -519,6 +519,13 @@ int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer) caif_assert(phy_layer->id == phyid); caif_assert(phyinfo->frm_layer->id == phyid); + /* Fail if reference count is not zero */ + if (cffrml_refcnt_read(phyinfo->frm_layer) != 0) { + pr_info("Wait for device inuse\n"); + mutex_unlock(&cnfg->lock); + return -EAGAIN; + } + list_del_rcu(&phyinfo->node); synchronize_rcu(); @@ -537,7 +544,7 @@ int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer) if (phyinfo->phy_layer != frml_dn) kfree(frml_dn); - kfree(frml); + cffrml_free(frml); kfree(phyinfo); mutex_unlock(&cnfg->lock); |