diff options
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/init/main.c b/init/main.c index 15bd0efff3df..276ca3160c8c 100644 --- a/init/main.c +++ b/init/main.c @@ -96,6 +96,7 @@ #include <linux/jump_label.h> #include <linux/mem_encrypt.h> #include <linux/kcsan.h> +#include <linux/init_syscalls.h> #include <asm/io.h> #include <asm/bugs.h> @@ -154,7 +155,7 @@ static bool initargs_found; #endif static char *execute_command; -static char *ramdisk_execute_command; +static char *ramdisk_execute_command = "/init"; /* * Used to generate warnings if static_key manipulation functions are used @@ -1457,15 +1458,19 @@ static int __ref kernel_init(void *unused) "See Linux Documentation/admin-guide/init.rst for guidance."); } -void console_on_rootfs(void) +/* Open /dev/console, for stdin/stdout/stderr, this should never fail */ +void __init 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"); + struct file *file = filp_open("/dev/console", O_RDWR, 0); - /* create stdout/stderr */ - (void) ksys_dup(0); - (void) ksys_dup(0); + if (IS_ERR(file)) { + pr_err("Warning: unable to open an initial console.\n"); + return; + } + init_dup(file); + init_dup(file); + init_dup(file); + fput(file); } static noinline void __init kernel_init_freeable(void) @@ -1510,12 +1515,7 @@ static noinline void __init kernel_init_freeable(void) * check if there is an early userspace init. If yes, let it do all * the work */ - - if (!ramdisk_execute_command) - ramdisk_execute_command = "/init"; - - if (ksys_access((const char __user *) - ramdisk_execute_command, 0) != 0) { + if (init_eaccess(ramdisk_execute_command) != 0) { ramdisk_execute_command = NULL; prepare_namespace(); } |