From f626a0cd07ddb13f146e52adb4b534da40bb1ff7 Mon Sep 17 00:00:00 2001 From: Kuan-Wei Chiu Date: Thu, 15 Aug 2024 03:28:39 +0800 Subject: [PATCH] spi: zynq-qspi: Replace kzalloc with kmalloc for buffer allocation In zynq_qspi_exec_mem_op(), the temporary buffer is allocated with kzalloc and then immediately initialized using memset to 0xff. To optimize this, replace kzalloc with kmalloc, as the zeroing operation is redundant and unnecessary. Signed-off-by: Kuan-Wei Chiu Reviewed-by: Michal Simek Link: https://patch.msgid.link/20240814192839.345523-1-visitorckw@gmail.com Signed-off-by: Mark Brown --- drivers/spi/spi-zynq-qspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-zynq-qspi.c b/drivers/spi/spi-zynq-qspi.c index d6325c6be3d4..b67455bda972 100644 --- a/drivers/spi/spi-zynq-qspi.c +++ b/drivers/spi/spi-zynq-qspi.c @@ -569,7 +569,7 @@ static int zynq_qspi_exec_mem_op(struct spi_mem *mem, } if (op->dummy.nbytes) { - tmpbuf = kzalloc(op->dummy.nbytes, GFP_KERNEL); + tmpbuf = kmalloc(op->dummy.nbytes, GFP_KERNEL); if (!tmpbuf) return -ENOMEM;