x86/amd-iommu: fix broken check in amd_iommu_flush_all_devices

commit e0faf54ee82bf9c07f0307b4391caad4020bd659 upstream.

The amd_iommu_pd_table is indexed by protection domain
number and not by device id. So this check is broken and
must be removed.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 6c99f5037801302fc60da447ce414a3179fad3eb..4607241508ca69268b0d16ea7e2d6bbbbc0ece68 100644 (file)
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -485,8 +485,6 @@ void amd_iommu_flush_all_devices(void)
        int i;
 
        for (i = 0; i <= amd_iommu_last_bdf; ++i) {
-               if (amd_iommu_pd_table[i] == NULL)
-                       continue;
 
                iommu = amd_iommu_rlookup_table[i];
                if (!iommu)