diff options
Diffstat (limited to 'fs/aufs/sysfs.c')
| -rw-r--r-- | fs/aufs/sysfs.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/aufs/sysfs.c b/fs/aufs/sysfs.c index cc74d02b1..ec8df8f6c 100644 --- a/fs/aufs/sysfs.c +++ b/fs/aufs/sysfs.c @@ -64,15 +64,15 @@ static int sysaufs_si_br(struct seq_file *seq, struct super_block *sb, err = au_seq_path(seq, &path); if (!err) { au_optstr_br_perm(&perm, br->br_perm); - err = seq_printf(seq, "=%s\n", perm.a); + seq_printf(seq, "=%s\n", perm.a); } break; case AuBrSysfs_BRID: - err = seq_printf(seq, "%d\n", br->br_id); + seq_printf(seq, "%d\n", br->br_id); break; } di_read_unlock(root, !AuLock_IR); - if (err == -1) + if (unlikely(err || seq_has_overflowed(seq))) err = -E2BIG; return err; @@ -229,8 +229,8 @@ static int au_brinfo(struct super_block *sb, union aufs_brinfo __user *arg) err = au_seq_path(seq, &br->br_path); if (unlikely(err)) break; - err = seq_putc(seq, '\0'); - if (!err && seq->count <= sz) { + seq_putc(seq, '\0'); + if (!seq_has_overflowed(seq)) { err = copy_to_user(arg->path, seq->buf, seq->count); seq->count = 0; if (unlikely(err)) |