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authorYinghai Lu <yinghai@kernel.org>2010-11-17 21:10:40 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-12-23 21:53:10 +0100
commitee8abf783dd36f65440fd782ad16f9768631d998 (patch)
tree1e5946d10041d0ab3443ba7a4632a7cd663e8018 /drivers/pci
parentPCI: fix __pci_device_probe kernel-doc warning (diff)
downloadlinux-ee8abf783dd36f65440fd782ad16f9768631d998.tar.xz
linux-ee8abf783dd36f65440fd782ad16f9768631d998.zip
PCI: Skip id checking if no id is passed
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci-stub.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index f7b68ca6cc98..4c0336b31caf 100644
--- 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, ","))) {