diff options
| author | Dominik Brodowski | 2018-10-23 16:00:10 +0200 |
|---|---|---|
| committer | Dominik Brodowski | 2019-12-12 18:58:24 +0100 |
| commit | b49a733d684e0096340b93e9dfd471f0e3ddc06d (patch) | |
| tree | 0ad59f513c9ca4af672a9e683935ce6c27a6289b /init/main.c | |
| parent | cccaa5e33525fc07f4a2ce0518e50b9ddf435e47 (diff) | |
init: unify opening /dev/console as stdin/stdout/stderr
Merge the two instances where /dev/console is opened as
stdin/stdout/stderr.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/init/main.c b/init/main.c index 91f6ebb30ef0..2cd736059416 100644 --- a/init/main.c +++ b/init/main.c @@ -1155,6 +1155,17 @@ static int __ref kernel_init(void *unused) "See Linux Documentation/admin-guide/init.rst for guidance."); } +void console_on_rootfs(void) +{ + /* Open the /dev/console as stdin, this should never fail */ + if (ksys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) + pr_err("Warning: unable to open an initial console.\n"); + + /* create stdout/stderr */ + (void) ksys_dup(0); + (void) ksys_dup(0); +} + static noinline void __init kernel_init_freeable(void) { /* @@ -1190,12 +1201,8 @@ static noinline void __init kernel_init_freeable(void) do_basic_setup(); - /* Open the /dev/console on the rootfs, this should never fail */ - if (ksys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) - pr_err("Warning: unable to open an initial console.\n"); + console_on_rootfs(); - (void) ksys_dup(0); - (void) ksys_dup(0); /* * check if there is an early userspace init. If yes, let it do all * the work |