From 1623ced247f7cb1b48a27cca6b0f17fe5ab5942b Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 10 Feb 2025 21:34:12 +0200 Subject: [PATCH] x86/events/amd/iommu: Increase IOMMU_NAME_SIZE MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The init_one_iommu() takes an unsigned int argument that can't be checked for the boundaries at compile time and GCC complains about that when build with `make W=1`: arch/x86/events/amd/iommu.c:441:53: note: directive argument in the range [0, 4294967294] arch/x86/events/amd/iommu.c:441:9: note: ‘snprintf’ output between 12 and 21 bytes into a destination of size 16 Increase the size to cover all possible cases. Signed-off-by: Andy Shevchenko Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20250210193412.483233-1-andriy.shevchenko@linux.intel.com --- arch/x86/events/amd/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index b15f7b950d2e0..f8228d8243f7d 100644 --- a/arch/x86/events/amd/iommu.c +++ b/arch/x86/events/amd/iommu.c @@ -30,7 +30,7 @@ #define GET_DOMID_MASK(x) (((x)->conf1 >> 16) & 0xFFFFULL) #define GET_PASID_MASK(x) (((x)->conf1 >> 32) & 0xFFFFFULL) -#define IOMMU_NAME_SIZE 16 +#define IOMMU_NAME_SIZE 24 struct perf_amd_iommu { struct list_head list; -- 2.39.5