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gpu: nvgpu: fix error condition in nvgpu_safe_mult_u64

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This patch fixes error condition in nvgpu_safe_mult_u64. As this
function is operating on u64, ULONG_MAX should be used to check
error condition.

NVGPU-3432

Change-Id: I950c70bb0f26b58ae7ba0f04fad5c2bde64f07ba
Signed-off-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2128612
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Vaibhav Kachore
2019-06-01 01:48:55 +05:30
committed by mobile promotions
parent caf5ebacba
commit ceeead091e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/nvgpu/include/nvgpu/safe_ops.h
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@@ -97,7 +97,7 @@ static inline u64 nvgpu_safe_mult_u64(u64 ul_a, u64 ul_b)
{
if (ul_a == 0 || ul_b == 0) {
return 0UL;
} else if (ul_a > UINT_MAX / ul_b) {
} else if (ul_a > ULONG_MAX / ul_b) {
BUG();
} else {
return ul_a * ul_b;