[PATCH v2] tools/bootconfig: Fix buf leaks in apply_xbc

[lihongtao]

From: Hongtao Lee <lihongtao@xxxxxxxxxx>

If data calloc failed, free the buf before return.

Fixes: 950313ebf79c ("tools: bootconfig: Add bootconfig command")
Signed-off-by: Hongtao Lee <lihongtao@xxxxxxxxxx>
---
V1 -> V2: Change Email Signed name
 tools/bootconfig/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 643f707b8f1d..ddabde20585f 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -390,8 +390,10 @@ static int apply_xbc(const char *path, const char *xbc_path)
 
 	/* Backup the bootconfig data */
 	data = calloc(size + BOOTCONFIG_ALIGN + BOOTCONFIG_FOOTER_SIZE, 1);
-	if (!data)
+	if (!data) {
+		free(buf);
 		return -ENOMEM;
+	}
 	memcpy(data, buf, size);
 
 	/* Check the data format */
-- 
2.25.1