iommu/amd: Propagate the error code returned by __modify_irte_ga() in modify_irte_ga()

The return type of __modify_irte_ga() is int, but modify_irte_ga()
treats it as a bool. Casting the int to bool discards the error code.

To fix the issue, change the type of ret to int in modify_irte_ga().

Fixes: 57cdb720eaa5 ("iommu/amd: Do not flush IRTE when only updating isRun and destination fields")
Cc: stable@vger.kernel.org
Signed-off-by: Jinhui Guo <guojinhui.liam@bytedance.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index a520a109f8d6d55214476ed564bf34226eb4131c..a5fb6af4fd2d6aded4f92d8231c7e5d7018a412f 100644 (file)
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -3380,7 +3380,7 @@ static int __modify_irte_ga(struct amd_iommu *iommu, u16 devid, int index,
 static int modify_irte_ga(struct amd_iommu *iommu, u16 devid, int index,
                          struct irte_ga *irte)
 {
-       bool ret;
+       int ret;
 
        ret = __modify_irte_ga(iommu, devid, index, irte);
        if (ret)