diff options
| author | Slava Abramov <slava.abramov@amd.com> | 2019-05-16 16:17:53 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:21:01 -0500 |
| commit | d6ee400e793f0ae6c9f5926bea9fbb362a950d96 (patch) | |
| tree | 148f87fbaf15e7583993dd1c3c40b843dde1816e /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | |
| parent | a254bfa2c5fbd46165010cd6c29a4ad7638b8772 (diff) | |
drm/amdgpu: use div64_ul for 32-bit compatibility v1
v1: replace casting to unsigned long with div64_ul
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Slava Abramov <slava.abramov@amd.com>
Tested-by: Slava Abramov <slava.abramov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index da1dc40b9b14..d5719b0fb82c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -764,8 +764,8 @@ static ssize_t amdgpu_ras_sysfs_badpages_read(struct file *f, struct amdgpu_device *adev = con->adev; const unsigned int element_size = sizeof("0xabcdabcd : 0x12345678 : R\n") - 1; - unsigned int start = (ppos + element_size - 1) / element_size; - unsigned int end = (ppos + count - 1) / element_size; + unsigned int start = div64_ul(ppos + element_size - 1, element_size); + unsigned int end = div64_ul(ppos + count - 1, element_size); ssize_t s = 0; struct ras_badpage *bps = NULL; unsigned int bps_count = 0; |