OMAP2+: PM: SmartReflex: fix memory leaks in Smartreflex driver

This Patch frees all the dynamically allocated memory
which couldn't have been released in some error hitting cases.

Signed-off-by: Shweta Gulati <shweta.gulati@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 5a849c981733afe6dd3316b2b2f608b349c3c7d4..1a777e34d0c2b33088393d2551187223566d3b68 100644 (file)
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -282,6 +282,7 @@ error:
                dev_err(&sr_info->pdev->dev, "%s: ERROR in registering"
                        "interrupt handler. Smartreflex will"
                        "not function as desired\n", __func__);
+               kfree(name);
                kfree(sr_info);
                return ret;
 }
@@ -879,7 +880,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                ret = sr_late_init(sr_info);
                if (ret) {
                        pr_warning("%s: Error in SR late init\n", __func__);
-                       return ret;
+                       goto err_release_region;
                }
        }
 
@@ -890,14 +891,17 @@ static int __init omap_sr_probe(struct platform_device *pdev)
         * not try to create rest of the debugfs entries.
         */
        vdd_dbg_dir = omap_voltage_get_dbgdir(sr_info->voltdm);
-       if (!vdd_dbg_dir)
-               return -EINVAL;
+       if (!vdd_dbg_dir) {
+               ret = -EINVAL;
+               goto err_release_region;
+       }
 
        dbg_dir = debugfs_create_dir("smartreflex", vdd_dbg_dir);
        if (IS_ERR(dbg_dir)) {
                dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n",
                        __func__);
-               return PTR_ERR(dbg_dir);
+               ret = PTR_ERR(dbg_dir);
+               goto err_release_region;
        }
 
        (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, dbg_dir,
@@ -913,7 +917,8 @@ static int __init omap_sr_probe(struct platform_device *pdev)
        if (IS_ERR(nvalue_dir)) {
                dev_err(&pdev->dev, "%s: Unable to create debugfs directory"
                        "for n-values\n", __func__);
-               return PTR_ERR(nvalue_dir);
+               ret = PTR_ERR(nvalue_dir);
+               goto err_release_region;
        }
 
        omap_voltage_get_volttable(sr_info->voltdm, &volt_data);
@@ -922,7 +927,8 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                        " corresponding vdd vdd_%s. Cannot create debugfs"
                        "entries for n-values\n",
                        __func__, sr_info->voltdm->name);
-               return -ENODATA;
+               ret = -ENODATA;
+               goto err_release_region;
        }
 
        for (i = 0; i < sr_info->nvalue_count; i++) {