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gpu: nova-core: gsp: use KVVec::zeroed() for payload buffers

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Use KVVec::zeroed() instead of KVVec::from_elem() to allocate and
zero-initialize the command and continuation payload buffers.

Also use KVVec::zeroed() in the test helper read_payload().

Signed-off-by: Thorsten Blum <blum@kernel.org>
Link: https://patch.msgid.link/20261006115311.92873-3-blum@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Thorsten Blum 2026-10-06 13:53:06 +02:00 committed by Danilo Krummrich
parent e56059016a
commit 6148fb2fc4
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/nova-core/gsp/cmdq/continuation.rs
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@ -106,9 +106,9 @@ pub(super) fn new(command: C) -> Result<Self> {
if command.size() > MAX_CMD_SIZE {
let mut command_payload =
KVVec::<u8>::from_elem(0u8, payload_len.min(Self::MAX_FIRST_PAYLOAD), GFP_KERNEL)?;
KVVec::zeroed(payload_len.min(Self::MAX_FIRST_PAYLOAD), GFP_KERNEL)?;
let mut continuation_payload =
KVVec::<u8>::from_elem(0u8, payload_len - command_payload.len(), GFP_KERNEL)?;
KVVec::zeroed(payload_len - command_payload.len(), GFP_KERNEL)?;
let mut sbuffer = SBufferIter::new_writer([
command_payload.as_mut_slice(),
continuation_payload.as_mut_slice(),
@ -235,7 +235,7 @@ fn init_variable_payload(
fn read_payload(cmd: impl CommandToGsp) -> Result<KVVec<u8>> {
let len = cmd.variable_payload_len();
let mut buf = KVVec::from_elem(0u8, len, GFP_KERNEL)?;
let mut buf = KVVec::zeroed(len, GFP_KERNEL)?;
let mut sbuf = SBufferIter::new_writer([buf.as_mut_slice(), &mut []]);
cmd.init_variable_payload(&mut sbuf)?;
drop(sbuf);