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PCI: Skip id checking if no id is passed
author
Yinghai Lu
<yinghai@kernel.org>
Wed, 17 Nov 2010 20:10:40 +0000
(12:10 -0800)
committer
Jesse Barnes
<jbarnes@virtuousgeek.org>
Thu, 23 Dec 2010 20:53:10 +0000
(12:53 -0800)
Will get warning when pci stub driver is built-in kenel like:
pci-stub: invalid id string ""
So stop early if no id is passed.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
drivers/pci/pci-stub.c
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diff --git
a/drivers/pci/pci-stub.c
b/drivers/pci/pci-stub.c
index
f7b68ca
..
4c0336b
100644
(file)
--- a/
drivers/pci/pci-stub.c
+++ b/
drivers/pci/pci-stub.c
@@
-47,6
+47,10
@@
static int __init pci_stub_init(void)
if (rc)
return rc;
+ /* no ids passed actually */
+ if (ids[0] == '\0')
+ return 0;
+
/* add ids specified in the module parameter */
p = ids;
while ((id = strsep(&p, ","))) {