1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 595edd2befc6..30ae2701b3df 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -1215,7 +1215,7 @@ static int __init parse_amd_iommu_options(char *str)
                         amd_iommu_isolate = 1;
                 if (strncmp(str, "share", 5) == 0)
                         amd_iommu_isolate = 0;
-                if (strncmp(str, "fullflush", 11) == 0)
+                if (strncmp(str, "fullflush", 9) == 0)
                         amd_iommu_unmap_flush = true;
         }