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| author | David Sterba <dsterba@suse.cz> | 2015-06-12 14:36:51 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2015-06-12 16:44:48 +0200 |
| commit | 6a039e5063fc96cc72a0a0b2bdc97403fb080de1 (patch) | |
| tree | 162acdd186f1c1bbdba875ebf470f33a67f691e1 /cmds-subvolume.c | |
| parent | 2e151027d245a762326dac8e814db9fc59113454 (diff) | |
btrfs-progs: properly set up ioctl arguments
At some places we do not clear the whole ioctl structure and could
pass garbage to kernel. Zero the ioctl vol_args and use a helper for
copying the path.
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'cmds-subvolume.c')
| -rw-r--r-- | cmds-subvolume.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/cmds-subvolume.c b/cmds-subvolume.c index dfc3f1f3..e88a6e6e 100644 --- a/cmds-subvolume.c +++ b/cmds-subvolume.c @@ -357,6 +357,7 @@ again: printf("Delete subvolume (%s): '%s/%s'\n", commit_mode == 2 || (commit_mode == 1 && cnt + 1 == argc) ? "commit" : "no-commit", dname, vname); + memset(&args, 0, sizeof(args)); strncpy_null(args.name, vname); res = ioctl(fd, BTRFS_IOC_SNAP_DESTROY, &args); e = errno; |