In various places, string buffers of a fixed size are allocated, and filled using snprintf() with the same fixed size, which is error-prone. Replace this by calling devm_kasprintf() instead, which always uses the appropriate size. Signed-off-by: Prathu Baronia <prathubaronia2011@xxxxxxxxx> --- drivers/staging/axis-fifo/axis-fifo.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c index 7a21f2423204..7b3080202b31 100644 --- a/drivers/staging/axis-fifo/axis-fifo.c +++ b/drivers/staging/axis-fifo/axis-fifo.c @@ -816,10 +816,6 @@ static int axis_fifo_probe(struct platform_device *pdev) * ---------------------------- */ - device_name = devm_kzalloc(dev, 32, GFP_KERNEL); - if (!device_name) - return -ENOMEM; - /* allocate device wrapper memory */ fifo = devm_kzalloc(dev, sizeof(*fifo), GFP_KERNEL); if (!fifo) @@ -857,7 +853,9 @@ static int axis_fifo_probe(struct platform_device *pdev) dev_dbg(fifo->dt_device, "remapped memory to 0x%p\n", fifo->base_addr); /* create unique device name */ - snprintf(device_name, 32, "%s_%pa", DRIVER_NAME, &r_mem->start); + device_name = devm_kasprintf(dev, GFP_KERNEL, "%s_%pa", DRIVER_NAME, &r_mem->start); + if (!device_name) + return -ENOMEM; dev_dbg(fifo->dt_device, "device name [%s]\n", device_name); /* ---------------------------- -- 2.34.1