video: xilinxfb: Use devm_kzalloc instead of kzalloc

Simplify driver probe and release function.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 2 insertions, 9 deletions

diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index d12345f7fca4..c420328afb40 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -368,8 +368,6 @@ err_fbmem:
                 devm_iounmap(dev, drvdata->regs);
 
 err_region:
-        kfree(drvdata);
-
         return rc;
 }
 
@@ -402,8 +400,6 @@ static int xilinxfb_release(struct device *dev)
                 dcr_unmap(drvdata->dcr_host, drvdata->dcr_len);
 #endif
 
-        kfree(drvdata);
-
         return 0;
 }
 
@@ -423,11 +419,9 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
         pdata = xilinx_fb_default_pdata;
 
         /* Allocate the driver data region */
-        drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
-        if (!drvdata) {
-                dev_err(&pdev->dev, "Couldn't allocate device private record\n");
+        drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
+        if (!drvdata)
                 return -ENOMEM;
-        }
 
         /*
          * To check whether the core is connected directly to DCR or BUS
@@ -451,7 +445,6 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
                 drvdata->dcr_host = dcr_map(op->dev.of_node, start, drvdata->dcr_len);
                 if (!DCR_MAP_OK(drvdata->dcr_host)) {
                         dev_err(&op->dev, "invalid DCR address\n");
-                        kfree(drvdata);
                         return -ENODEV;
                 }
         }