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[U-Boot,v4,4/4,RFC] env: call env_erase twice if CONFIG_ENV_OFFSET_REDUND is set

Message ID 20190428085128.8479-5-frank-w@public-files.de
State Superseded
Delegated to: Tom Rini
Headers show
Series add command env erase | expand

Commit Message

Frank Wunderlich April 28, 2019, 8:51 a.m. UTC 
erase also the redundant environment location if offset is defined

this is a possible implementation without adding additional parameter
to env erase command

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
 cmd/nvedit.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

--
2.17.1
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Patch

diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index 2071bcf443..f11972e8f1 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -766,8 +766,15 @@  U_BOOT_CMD(
 static int do_env_erase(cmd_tbl_t *cmdtp, int flag, int argc,
 			char * const argv[])
 {
-	return env_erase(false) ? 1 : 0;
+	int ret;
+
+	ret = env_erase(false) ? 1 : 0;
+	#ifdef CONFIG_ENV_OFFSET_REDUND
+		ret = ret || (env_erase(true) ? 1 : 0);
+	#endif
+	return ret;
 }
+
 U_BOOT_CMD(
 	eraseenv, 1, 0,	do_env_erase,
 	"erase environment variables from persistent storage",