diff options
Diffstat (limited to 'drivers/md/dm-ioctl.c')
| -rw-r--r-- | drivers/md/dm-ioctl.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 7a73f2fa0ad7..8e787677a810 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -573,7 +573,7 @@ static void list_version_get_needed(struct target_type *tt, void *needed_param) size_t *needed = needed_param; *needed += sizeof(struct dm_target_versions); - *needed += strlen(tt->name); + *needed += strlen(tt->name) + 1; *needed += ALIGN_MASK; } @@ -638,7 +638,7 @@ static int __list_versions(struct dm_ioctl *param, size_t param_size, const char iter_info.old_vers = NULL; iter_info.vers = vers; iter_info.flags = 0; - iter_info.end = (char *)vers+len; + iter_info.end = (char *)vers + needed; /* * Now loop through filling out the names & versions. @@ -1435,11 +1435,12 @@ static int table_clear(struct file *filp, struct dm_ioctl *param, size_t param_s hc->new_map = NULL; } - param->flags &= ~DM_INACTIVE_PRESENT_FLAG; - - __dev_status(hc->md, param); md = hc->md; up_write(&_hash_lock); + + param->flags &= ~DM_INACTIVE_PRESENT_FLAG; + __dev_status(md, param); + if (old_map) { dm_sync_table(md); dm_table_destroy(old_map); @@ -1847,7 +1848,7 @@ static int ctl_ioctl(struct file *file, uint command, struct dm_ioctl __user *us int ioctl_flags; int param_flags; unsigned int cmd; - struct dm_ioctl *uninitialized_var(param); + struct dm_ioctl *param; ioctl_fn fn = NULL; size_t input_param_size; struct dm_ioctl param_kernel; |