Before this patch, it was possible to do the following using setenv: setenv '' foo Then, on next reboot, U-Boot will not be able to parse environment due to it having: =foo
Now, if the above command is given, an error message is thrown and environment is not modified. Signed-off-by: Francis Laniel <[email protected]> --- cmd/nvedit.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/cmd/nvedit.c b/cmd/nvedit.c index d14ba10cef..6f99a85a9c 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -262,6 +262,11 @@ static int _do_env_set(int flag, int argc, char *const argv[], int env_flag) return 1; } + if (*name == '\0') { + printf("## Error: variable name must no be empty\n"); + return 1; + } + env_id++; /* Delete only ? */ -- 2.25.1
