[PATCH] bootargs: Fix memory leak in linux_bootargs_get()

[Sascha Hauer]

globalvar_get_match() returns an allocated string which may be
empty. We have to free() the empty string aswell.

Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
 common/bootargs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/common/bootargs.c b/common/bootargs.c
index a89f23a3f2..f0ab689158 100644
--- a/common/bootargs.c
+++ b/common/bootargs.c
@@ -56,19 +56,21 @@ const char *linux_bootargs_get(void)
                bootargs = basprintf("%s mtdparts=%s", linux_bootargs,
                                       parts);
                free(linux_bootargs);
-               free(parts);
                linux_bootargs = bootargs;
        }
 
+       free(parts);
+
        parts = globalvar_get_match("linux.blkdevparts.", ";");
        if (strlen(parts)) {
                bootargs = basprintf("%s blkdevparts=%s", linux_bootargs,
                                       parts);
                free(linux_bootargs);
-               free(parts);
                linux_bootargs = bootargs;
        }
 
+       free(parts);
+
        return linux_bootargs;
 }
 
-- 
2.15.1


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