NULL deref on first ever call. (When device is not found) Signed-off-by: Boaz Harrosh <bharrosh@xxxxxxxxxxx> --- fs/nfs/pnfs_dev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/nfs/pnfs_dev.c b/fs/nfs/pnfs_dev.c index 7997899..7e5542c 100644 --- a/fs/nfs/pnfs_dev.c +++ b/fs/nfs/pnfs_dev.c @@ -100,7 +100,7 @@ _find_get_deviceid(const struct pnfs_layoutdriver_type *ld, rcu_read_lock(); d = _lookup_deviceid(ld, clp, id, hash); - if (!atomic_inc_not_zero(&d->ref)) + if (!d || !atomic_inc_not_zero(&d->ref)) d = NULL; rcu_read_unlock(); return d; -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
