diff options
| author | Rob Landley | 2006-08-03 17:54:45 +0000 |
|---|---|---|
| committer | Rob Landley | 2006-08-03 17:54:45 +0000 |
| commit | 7478804b783619762a52a740037126ef8711acc2 (patch) | |
| tree | b89cfcb288e5ff6deb78c7bbf21a08459850cba2 /util-linux/umount.c | |
| parent | 280a264fb893670f00e333dc75c58b6c77970048 (diff) | |
| download | busybox-7478804b783619762a52a740037126ef8711acc2.zip busybox-7478804b783619762a52a740037126ef8711acc2.tar.gz | |
Fix umount so loop device disassociation hopefully doesn't screw up errno on
a failed mount. And while I'm at it, legacy mdev removal was only being done
in the _failure_ case? That can't be right. Plus minor header cleanups
and an option parsing tweak.
Diffstat (limited to 'util-linux/umount.c')
| -rw-r--r-- | util-linux/umount.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/util-linux/umount.c b/util-linux/umount.c index b74b110..24c1d03 100644 --- a/util-linux/umount.c +++ b/util-linux/umount.c @@ -13,18 +13,15 @@ #include "busybox.h" #include <mntent.h> -#include <errno.h> -#include <string.h> #include <getopt.h> -#define OPTION_STRING "flDnrvad" +#define OPTION_STRING "flDnravd" #define OPT_FORCE 1 #define OPT_LAZY 2 #define OPT_DONTFREELOOP 4 #define OPT_NO_MTAB 8 #define OPT_REMOUNT 16 -#define OPT_IGNORED 32 // -v is ignored -#define OPT_ALL (ENABLE_FEATURE_UMOUNT_ALL ? 64 : 0) +#define OPT_ALL (ENABLE_FEATURE_UMOUNT_ALL ? 32 : 0) int umount_main(int argc, char **argv) { @@ -77,8 +74,6 @@ int umount_main(int argc, char **argv) m = 0; if (!argc) bb_show_usage(); } - - // Loop through everything we're supposed to umount, and do so. for (;;) { @@ -114,19 +109,20 @@ int umount_main(int argc, char **argv) "%s busy - remounted read-only", m->device); } - /* De-allocate the loop device. This ioctl should be ignored on any - * non-loop block devices. */ - if (ENABLE_FEATURE_MOUNT_LOOP && !(opt & OPT_DONTFREELOOP) && m) - del_loop(m->device); - if (curstat) { - /* Yes, the ENABLE is redundant here, but the optimizer for ARM - * can't do simple constant propagation in local variables... */ - if(ENABLE_FEATURE_MTAB_SUPPORT && !(opt & OPT_NO_MTAB) && m) - erase_mtab(m->dir); status = EXIT_FAILURE; bb_perror_msg("Couldn't umount %s", path); + } else { + /* De-allocate the loop device. This ioctl should be ignored on + * any non-loop block devices. */ + if (ENABLE_FEATURE_MOUNT_LOOP && !(opt & OPT_DONTFREELOOP) && m) + del_loop(m->device); + if (ENABLE_FEATURE_MTAB_SUPPORT && !(opt & OPT_NO_MTAB) && m) + erase_mtab(m->dir); } + + + // Find next matching mtab entry for -a or umount /dev while (m && (m = m->next)) if ((opt & OPT_ALL) || !strcmp(path,m->device)) |