diff options
| author | Jeff Garzik <jeff@garzik.org> | 2006-09-28 00:13:53 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-28 00:13:53 +0200 |
| commit | aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (patch) | |
| tree | 57425aa83c8bed5b41af7e3408024fe1f2fdded9 /arch/x86_64/kernel/pci-dma.c | |
| parent | Merge branch 'upstream' of git://lost.foo-projects.org/~ahkok/git/netdev-2.6 ... (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.tar.xz linux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.zip | |
Merge branch 'master' into upstream
Diffstat (limited to 'arch/x86_64/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86_64/kernel/pci-dma.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c index 9c44f4f2433d..4dcb671bd19f 100644 --- a/arch/x86_64/kernel/pci-dma.c +++ b/arch/x86_64/kernel/pci-dma.c @@ -236,6 +236,9 @@ __init int iommu_setup(char *p) { iommu_merge = 1; + if (!p) + return -EINVAL; + while (*p) { if (!strncmp(p,"off",3)) no_iommu = 1; @@ -278,9 +281,9 @@ __init int iommu_setup(char *p) if (*p == ',') ++p; } - return 1; + return 0; } -__setup("iommu=", iommu_setup); +early_param("iommu", iommu_setup); void __init pci_iommu_alloc(void) { |