Input: rmi4 - use devm_kmalloc for F12 data packet buffer

The sensor->data_pkt buffer is used exclusively to store incoming
hardware data during the attention handler, where it is entirely
overwritten by either memcpy() or rmi_read_block(). Therefore,
there is no need to zero-initialize it during probe.

Switch to devm_kmalloc() to avoid the unnecessary memset overhead.

Assisted-by: Gemini:gemini-3.1-pro
Link: https://patch.msgid.link/20260505045952.1570713-16-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov
2026-05-04 21:59:46 -07:00
parent bcaea0fe87
commit 1ea51794d7

View File

@@ -452,7 +452,7 @@ static int rmi_f12_probe(struct rmi_function *fn)
rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: data packet size: %u\n", __func__,
sensor->pkt_size);
sensor->data_pkt = devm_kzalloc(&fn->dev, sensor->pkt_size, GFP_KERNEL);
sensor->data_pkt = devm_kmalloc(&fn->dev, sensor->pkt_size, GFP_KERNEL);
if (!sensor->data_pkt)
return -ENOMEM;