[U-Boot] [PATCH] common: cli_hush: avoid memory leak

[Peng Fan]

Need to free memory avoid memory leak, when error.

Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Tom Rini <trini at konsulko.com>
---
 common/cli_hush.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/cli_hush.c b/common/cli_hush.c
index f075459..ab85225 100644
--- a/common/cli_hush.c
+++ b/common/cli_hush.c
@@ -2474,8 +2474,10 @@ static int done_word(o_string *dest, struct p_context *ctx)
 		if (child->argv == NULL) return 1;
 		child->argv_nonnull = realloc(child->argv_nonnull,
 					(argc+1)*sizeof(*child->argv_nonnull));
-		if (child->argv_nonnull == NULL)
+		if (child->argv_nonnull == NULL) {
+			free(str);
 			return 1;
+		}
 		child->argv[argc-1]=str;
 		child->argv_nonnull[argc-1] = dest->nonnull;
 		child->argv[argc]=NULL;
-- 
2.6.2