diff options
| -rw-r--r-- | fs/exofs/super.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/exofs/super.c b/fs/exofs/super.c index d9619a577806..6c5397ad7a2a 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -529,7 +529,8 @@ static int exofs_devs_2_odi(struct exofs_dt_device_info *dt_dev, struct osd_dev_info *odi) { odi->systemid_len = le32_to_cpu(dt_dev->systemid_len); - memcpy(odi->systemid, dt_dev->systemid, odi->systemid_len); + if (likely(odi->systemid_len)) + memcpy(odi->systemid, dt_dev->systemid, OSD_SYSTEMID_LEN); odi->osdname_len = le32_to_cpu(dt_dev->osdname_len); odi->osdname = dt_dev->osdname; |