diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2119-drm-amdkfd-Fix-compiler-warning.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2119-drm-amdkfd-Fix-compiler-warning.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2119-drm-amdkfd-Fix-compiler-warning.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2119-drm-amdkfd-Fix-compiler-warning.patch new file mode 100644 index 00000000..ec1c2c90 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2119-drm-amdkfd-Fix-compiler-warning.patch @@ -0,0 +1,34 @@ +From 369e454ee90ce57ac17c4a1fedef248cab9dfbca Mon Sep 17 00:00:00 2001 +From: Felix Kuehling <Felix.Kuehling@amd.com> +Date: Thu, 12 Oct 2017 15:05:52 -0400 +Subject: [PATCH 2119/4131] drm/amdkfd: Fix compiler warning + +Change-Id: Iaa8fb79ac1accedcc49d416e568ed296c31a6a12 +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_events.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c +index 835e045..69c3728 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c +@@ -176,8 +176,14 @@ static int create_signal_event(struct file *devkfd, + + static int create_other_event(struct kfd_process *p, struct kfd_event *ev) + { ++ /* Cast KFD_LAST_NONSIGNAL_EVENT to uint32_t. This allows an ++ * intentional integer overflow to -1 without a compiler ++ * warning. idr_alloc treats a negative value as "maximum ++ * signed integer". ++ */ + int id = idr_alloc(&p->event_idr, ev, KFD_FIRST_NONSIGNAL_EVENT_ID, +- KFD_LAST_NONSIGNAL_EVENT_ID + 1, GFP_KERNEL); ++ (uint32_t)KFD_LAST_NONSIGNAL_EVENT_ID + 1, ++ GFP_KERNEL); + + if (id < 0) + return id; +-- +2.7.4 + |