init: do not set HOME

function                                             old     new   delta
.rodata                                           104906  104899      -7
init_main                                            786     776     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-17)             Total: -17 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2022-05-02 14:47:53 +02:00
parent 4642cf5b38
commit 1a290f889c

View File

@ -1105,10 +1105,14 @@ int init_main(int argc UNUSED_PARAM, char **argv)
setsid(); setsid();
/* Make sure environs is set to something sane */ /* Make sure environs is set to something sane */
putenv((char *) "HOME=/");
putenv((char *) bb_PATH_root_path); putenv((char *) bb_PATH_root_path);
putenv((char *) "SHELL=/bin/sh"); putenv((char *) "SHELL=/bin/sh");
putenv((char *) "USER=root"); /* needed? why? */ putenv((char *) "USER=root"); /* needed? why? */
/* Linux kernel sets HOME="/" when execing init,
* and it can be overridden (but not unset?) on kernel's command line.
* We used to set it to "/" here, but now we do not:
*/
//putenv((char *) "HOME=/");
if (argv[1]) if (argv[1])
xsetenv("RUNLEVEL", argv[1]); xsetenv("RUNLEVEL", argv[1]);