[PATCH] cmd: zip: Use map_sysmem() with buffers in the zip command

[Marek Vasut]

The current implementation casts an address to a pointer. Make it more
sandbox-friendly by using map_sysmem().

Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Alexander Graf <agraf at csgraf.de>
Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Cc: Jerome Forissier <jerome at forissier.org>
Cc: Mattijs Korpershoek <mkorpershoek at kernel.org>
Cc: Neil Armstrong <neil.armstrong at linaro.org>
Cc: Peng Fan <peng.fan at nxp.com>
Cc: Quentin Schulz <quentin.schulz at cherry.de>
Cc: Simon Glass <sjg at chromium.org>
Cc: Tom Rini <trini at konsulko.com>
Cc: Yuya Hamamachi <yuya.hamamachi.sx at renesas.com>
Cc: u-boot at lists.denx.de
---
 cmd/zip.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cmd/zip.c b/cmd/zip.c
index 2d255428822..1712434ba0a 100644
--- a/cmd/zip.c
+++ b/cmd/zip.c
@@ -7,6 +7,7 @@
 #include <command.h>
 #include <env.h>
 #include <gzip.h>
+#include <mapmem.h>
 #include <vsprintf.h>
 
 static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
@@ -27,8 +28,10 @@ static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 			return cmd_usage(cmdtp);
 	}
 
-	if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
+	if (gzip(map_sysmem(dst, dst_len), &dst_len,
+		 map_sysmem(src, src_len), src_len) != 0) {
 		return 1;
+	}
 
 	printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
 	env_set_hex("filesize", dst_len);
-- 
2.51.0