[PATCH] cmd: Flush destination buffer only if it is available

[Varadarajan Narayanan]

From: Vandhiadevan Karunamoorthy <quic_vkarunam at quicinc.com>

There are code paths in do_imgextract(), where 'dest' could be zero.
Hence, avoid cache flush of 'dest' doesn't point to any data buffer.

Signed-off-by: Vandhiadevan Karunamoorthy <quic_vkarunam at quicinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada at quicinc.com>
---
 cmd/ximg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmd/ximg.c b/cmd/ximg.c
index 29d7c3279b3..8907b579d4c 100644
--- a/cmd/ximg.c
+++ b/cmd/ximg.c
@@ -265,7 +265,8 @@ do_imgextract(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 		puts("OK\n");
 	}
 
-	flush_cache(dest, ALIGN(len, ARCH_DMA_MINALIGN));
+	if (dest)
+		flush_cache(dest, ALIGN(len, ARCH_DMA_MINALIGN));
 
 	env_set_hex("fileaddr", data);
 	env_set_hex("filesize", len);

base-commit: 1b5e435102aa29a665119430196cb366ce36a01b
-- 
2.34.1