OMAP: hsmmc: fix memory leak

The platform data allocated with kmalloc() will become unreachable once
the init is complete, so it should be freed. The problem was discovered
by kmemleak.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Acked-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
index 0c3c72d934b..8afe9dd3f15 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -408,6 +408,7 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
 {
         struct twl4030_hsmmc_info *c;
         int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
+        int i;
 
         if (cpu_is_omap2430()) {
                 control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
@@ -434,7 +435,7 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
                 mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
                 if (!mmc) {
                         pr_err("Cannot allocate memory for mmc device!\n");
-                        return;
+                        goto done;
                 }
 
                 if (c->name)
@@ -532,6 +533,10 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
                         continue;
                 c->dev = mmc->dev;
         }
+
+done:
+        for (i = 0; i < nr_hsmmc; i++)
+                kfree(hsmmc_data[i]);
 }
 
 #endif