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 --- drivers/iommu/amd/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 2e1865daa1ce..a38304f1a8df 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3354,7 +3354,7 @@ 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)