ata: libata-core: Simplify ata_dev_set_xfermode()

The err_mask variable is not useful. Remove it.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 0b62fa14a74cf53b43a01da3a4502d9bab04c737..d0242c75aac59b8ef25659bd182b01415c2c8547 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4295,7 +4295,6 @@ static void ata_dev_xfermask(struct ata_device *dev)
 static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
 {
        struct ata_taskfile tf;
-       unsigned int err_mask;
 
        /* set up set-features taskfile */
        ata_dev_dbg(dev, "set features - xfer mode\n");
@@ -4317,10 +4316,11 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
        else /* In the ancient relic department - skip all of this */
                return 0;
 
-       /* On some disks, this command causes spin-up, so we need longer timeout */
-       err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000);
-
-       return err_mask;
+       /*
+        * On some disks, this command causes spin-up, so we need longer
+        * timeout.
+        */
+       return ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000);
 }
 
 /**