[PATCH] kexec-tools: fix leak FILE pointer.

[Lichen Liu]

Close fp if file size is smaller than 13 bytes.

Signed-off-by: Lichen Liu <lichliu at redhat.com>
---
 kexec/lzma.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kexec/lzma.c b/kexec/lzma.c
index f27cfe2..2fc07e6 100644
--- a/kexec/lzma.c
+++ b/kexec/lzma.c
@@ -170,8 +170,11 @@ int is_lzma_file(const char *filename)
 
 	const size_t size = fread(buf, 1, sizeof(buf), fp);
 
-	if (size != 13)
+	if (size != 13) {
+		/* file is too small to be a lzma file. */
+		fclose(fp);
 		return 0;
+	}
 
 	lzma_filter filter = { .id = LZMA_FILTER_LZMA1 };
 
-- 
2.27.0