From: Slava Abramov Date: Thu, 16 May 2019 20:17:53 +0000 (-0400) Subject: drm/amdgpu: use div64_ul for 32-bit compatibility v1 X-Git-Tag: v5.3-rc1~81^2~25^2~58 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=d6ee400e793f0ae6c9f5926bea9fbb362a950d96;p=linux.git drm/amdgpu: use div64_ul for 32-bit compatibility v1 v1: replace casting to unsigned long with div64_ul Acked-by: Alex Deucher Signed-off-by: Slava Abramov Tested-by: Slava Abramov Signed-off-by: Alex Deucher --- 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;