linux-kernel - [PATCH V1 3/3] PCI: endpoint: Delete list entry before freeing

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Date:   Mon, 10 Oct 2022 16:49:53 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     <jingoohan1@...il.com>, <gustavo.pimentel@...opsys.com>,
        <lpieralisi@...nel.org>, <robh@...nel.org>, <kw@...ux.com>,
        <bhelgaas@...gle.com>, <mani@...nel.org>, <kishon@...com>
CC:     <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kthota@...dia.com>, <mmaddireddy@...dia.com>, <vidyas@...dia.com>,
        <sagar.tv@...il.com>
Subject: [PATCH V1 3/3] PCI: endpoint: Delete list entry before freeing

Currently epf_group list head is deleted without first deleting entries
pointed by the list head. This patch fixes that by first deleting each
entry from the list.

Signed-off-by: Vidya Sagar <vidyas@...dia.com>
---
 drivers/pci/endpoint/pci-epf-core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 9ed556936f48..a7f4ae33905d 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -340,9 +340,10 @@ static void pci_epf_remove_cfs(struct pci_epf_driver *driver)
 		return;
 
 	mutex_lock(&pci_epf_mutex);
-	list_for_each_entry_safe(group, tmp, &driver->epf_group, group_entry)
+	list_for_each_entry_safe(group, tmp, &driver->epf_group, group_entry) {
+		list_del(&group->group_entry);
 		pci_ep_cfs_remove_epf_group(group);
-	list_del(&driver->epf_group);
+	}
 	mutex_unlock(&pci_epf_mutex);
 }
 
-- 
2.17.1