Fix fd leakage in uki_image_probe()

There is a fd leakage in the fail path when writing to initrd fd in
uki_image_probe(). Fix it by this patch.

Signed-off-by: Pingfan Liu <piliu@redhat.com>
Signed-off-by: Simon Horman <horms@kernel.org>

kexec/kexec-uki.c

diff --git a/kexec/kexec-uki.c b/kexec/kexec-uki.c
index 202fd89..210ebb6 100644
--- a/kexec/kexec-uki.c
+++ b/kexec/kexec-uki.c
@@ -77,6 +77,7 @@
 					sect_hdr->raw_data_size) != sect_hdr->raw_data_size) {
 				dbgprintf("%s: Can't write the compressed file %s\n",
 						__func__, initrd_fname);
+				close(initrd_fd);
 				goto next;
 			} else {
 				implicit_initrd_fd = open(initrd_fname, O_RDONLY);