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Revert "PCI: endpoint: Clear secondary (not primary) EPC in pci_epc_remove_epf()"

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This reverts commit 3c2a6d4d02 which is
commit 688d2eb4c6fcfdcdaed0592f9df9196573ff5ce2 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Ie3855bc8646589ff198399f6c3f80c14f4e05d2a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-12-30 10:42:20 +00:00
parent 81df1c4551
commit 703a8674df
1 changed files with 3 additions and 3 deletions
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6
drivers/pci/endpoint/pci-epc-core.c
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@@ -664,18 +664,18 @@ void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf,
if (!epc || IS_ERR(epc) || !epf)
return;
mutex_lock(&epc->list_lock);
if (type == PRIMARY_INTERFACE) {
func_no = epf->func_no;
list = &epf->list;
epf->epc = NULL;
} else {
func_no = epf->sec_epc_func_no;
list = &epf->sec_epc_list;
epf->sec_epc = NULL;
}
mutex_lock(&epc->list_lock);
clear_bit(func_no, &epc->function_num_map);
list_del(list);
epf->epc = NULL;
mutex_unlock(&epc->list_lock);
}
EXPORT_SYMBOL_GPL(pci_epc_remove_epf);