diff options
Diffstat (limited to 'util-linux/umount.c')
| -rw-r--r-- | util-linux/umount.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/util-linux/umount.c b/util-linux/umount.c index 122c0f579..33667b13c 100644 --- a/util-linux/umount.c +++ b/util-linux/umount.c @@ -24,7 +24,18 @@ //config: help //config: Support -a option to unmount all currently mounted filesystems. -//applet:IF_UMOUNT(APPLET(umount, BB_DIR_BIN, BB_SUID_DROP)) +//applet:IF_UMOUNT(APPLET_NOEXEC(umount, umount, BB_DIR_BIN, BB_SUID_DROP, umount)) +/* + * On one hand, in some weird situations you'd want umount + * to not do anything surprising, to behave as a usual fork+execed executable. + * + * OTOH, there can be situations where execing would not succeed, or even hang + * (say, if executable is on a filesystem which is in trouble and accesses to it + * block in kernel). + * In this case, you might be actually happy if your standalone bbox shell + * does not fork+exec, but only forks and calls umount_main() which it already has! + * Let's go with NOEXEC. + */ //kbuild:lib-$(CONFIG_UMOUNT) += umount.o |