Commit 5eb2a72b authored by Tvrtko Ursulin's avatar Tvrtko Ursulin Committed by Alex Deucher
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drm/amdgpu/userq: Use memdup_array_user in amdgpu_userq_signal_ioctl 



Use the existing helper instead of multiplying the size.

Signed-off-by: default avatarTvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: default avatarSunil Khatri <sunil.khatri@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fb1bf29a

drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c

+2 −2
Original line number Diff line number Diff line
@@ -479,8 +479,8 @@ int amdgpu_userq_signal_ioctl(struct drm_device *dev, void *data, 
		return -ENOTSUPP;



	num_syncobj_handles = args->num_syncobj_handles;

	syncobj_handles = memdup_user(u64_to_user_ptr(args->syncobj_handles),

				      size_mul(sizeof(u32), num_syncobj_handles));

	syncobj_handles = memdup_array_user(u64_to_user_ptr(args->syncobj_handles),

					    num_syncobj_handles, sizeof(u32));

	if (IS_ERR(syncobj_handles))

		return PTR_ERR(syncobj_handles);