Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu/userq: Use memdup_array_user in amdgpu_userq_signal_ioctl
Use the existing helper instead of multiplying the size.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Tvrtko Ursulin
and committed by
Alex Deucher
5eb2a72b
fb1bf29a
+2
-2
+2
-2
drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
+2
-2
drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
···
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return -ENOTSUPP;
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num_syncobj_handles = args->num_syncobj_handles;
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-
syncobj_handles = memdup_user(u64_to_user_ptr(args->syncobj_handles),
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-
size_mul(sizeof(u32), num_syncobj_handles));
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+
syncobj_handles = memdup_array_user(u64_to_user_ptr(args->syncobj_handles),
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+
num_syncobj_handles, sizeof(u32));
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if (IS_ERR(syncobj_handles))
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return PTR_ERR(syncobj_handles);
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