There is a space at the end of extra_init_args. In the current logic, copying extra_init_args to saved_command_line will cause extra spaces in saved_command_line here or there. Remove the trailing space from extra_init_args to make the string in saved_command_line look more perfect.
Signed-off-by: Yuntao Wang <ytco...@gmail.com> --- v1 -> v2: Fix the issue using the method suggested by Masami init/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/init/main.c b/init/main.c index 881f6230ee59..0f03dd15e0e2 100644 --- a/init/main.c +++ b/init/main.c @@ -627,8 +627,10 @@ static void __init setup_command_line(char *command_line) if (extra_command_line) xlen = strlen(extra_command_line); - if (extra_init_args) + if (extra_init_args) { + extra_init_args = strim(extra_init_args); /* remove trailing space */ ilen = strlen(extra_init_args) + 4; /* for " -- " */ + } len = xlen + strlen(boot_command_line) + 1; -- 2.44.0