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PCI: Fix pci_find_present

pci_find_present() is only matching the last item in the list of ids.

The break after the match is found only escapes the for loop, not the
while loop, so found gets reset to NULL on the next pass.

Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ben Gardner 18 年之前
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3c92c57af9
共有 1 个文件被更改,包括 2 次插入1 次删除
  1. 2 1
      drivers/pci/search.c

+ 2 - 1
drivers/pci/search.c

@@ -403,10 +403,11 @@ const struct pci_device_id *pci_find_present(const struct pci_device_id *ids)
 	while (ids->vendor || ids->subvendor || ids->class_mask) {
 		list_for_each_entry(dev, &pci_devices, global_list) {
 			if ((found = pci_match_one_device(ids, dev)) != NULL)
-				break;
+				goto exit;
 		}
 		ids++;
 	}
+exit:
 	up_read(&pci_bus_sem);
 	return found;
 }