[PATCH] gpu: nova-core: fsp: use KVec::zeroed() in recv_msg()

From: Thorsten Blum

Date: Tue Oct 06 2026 - 02:55:09 EST


Use KVec::zeroed() to create the message buffer in recv_msg() instead of
creating an empty vector and resizing it.

Signed-off-by: Thorsten Blum <blum@xxxxxxxxxx>
---
drivers/gpu/nova-core/falcon/fsp.rs | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/nova-core/falcon/fsp.rs b/drivers/gpu/nova-core/falcon/fsp.rs
index 0437180b8829..4190f4f8e8c9 100644
--- a/drivers/gpu/nova-core/falcon/fsp.rs
+++ b/drivers/gpu/nova-core/falcon/fsp.rs
@@ -172,9 +172,7 @@ pub(crate) fn recv_msg(&mut self) -> Result<KVec<u8>> {
return Err(EMSGSIZE);
}

- let mut buffer = KVec::<u8>::new();
- buffer.resize(msg_size, 0, GFP_KERNEL)?;
-
+ let mut buffer = KVec::<u8>::zeroed(msg_size, GFP_KERNEL)?;
self.read_emem(&mut buffer)?;

// Reset message queue pointers after reading.