author: Linus Torvalds <torvalds@linux-foundation.org> 2020-12-16 10:45:11 -0800
committer: Linus Torvalds <torvalds@linux-foundation.org> 2020-12-16 10:45:11 -0800
commit: d3eb52113d162cc88975fbd03c9e6f9cf2f8a771
parent: 5e60366d56c630e32befce7ef05c569e04391ca3
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 2 deletions
diff --git a/init/main.c b/init/main.c
index 3024c4db17a9..6feee7f11eaf 100644
--- a/init/main.c
+++ b/init/main.c
@@ -1480,8 +1480,14 @@ void __init console_on_rootfs(void)
struct file *file = filp_open("/dev/console", O_RDWR, 0);
if (IS_ERR(file)) {
- pr_err("Warning: unable to open an initial console.\n");
- return;
+ pr_err("Warning: unable to open an initial console. Fallback to ttynull.\n");
+ register_ttynull_console();
+
+ file = filp_open("/dev/console", O_RDWR, 0);
+ if (IS_ERR(file)) {
+ pr_err("Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process!\n");
+ return;
+ }
}
init_dup(file);
init_dup(file);