dmaengine: imx-sdma: sdma_get_firmware does not need to copy fw_name

It does not need to allocate space and copy fw_name in function
sdma_get_firmware().

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index a7708b4..df40069 100644 (file)
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1126,22 +1126,14 @@ static int __init sdma_get_firmware(struct sdma_engine *sdma,
                const char *fw_name)
 {
        const struct firmware *fw;
-       char *fwname;
        const struct sdma_firmware_header *header;
        int ret;
        const struct sdma_script_start_addrs *addr;
        unsigned short *ram_code;
 
-       fwname = kasprintf(GFP_KERNEL, "%s", fw_name);
-       if (!fwname)
-               return -ENOMEM;
-
-       ret = request_firmware(&fw, fwname, sdma->dev);
-       if (ret) {
-               kfree(fwname);
+       ret = request_firmware(&fw, fw_name, sdma->dev);
+       if (ret)
                return ret;
-       }
-       kfree(fwname);
 
        if (fw->size < sizeof(*header))
                goto err_firmware;