diff options
Diffstat (limited to 'fs/erofs/fileio.c')
| -rw-r--r-- | fs/erofs/fileio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/erofs/fileio.c b/fs/erofs/fileio.c index 7d81f504bff0..df5cc63f2c01 100644 --- a/fs/erofs/fileio.c +++ b/fs/erofs/fileio.c @@ -47,6 +47,7 @@ static void erofs_fileio_ki_complete(struct kiocb *iocb, long ret) static void erofs_fileio_rq_submit(struct erofs_fileio_rq *rq) { + const struct cred *old_cred; struct iov_iter iter; int ret; @@ -60,7 +61,9 @@ static void erofs_fileio_rq_submit(struct erofs_fileio_rq *rq) rq->iocb.ki_flags = IOCB_DIRECT; iov_iter_bvec(&iter, ITER_DEST, rq->bvecs, rq->bio.bi_vcnt, rq->bio.bi_iter.bi_size); + old_cred = override_creds(rq->iocb.ki_filp->f_cred); ret = vfs_iocb_iter_read(rq->iocb.ki_filp, &rq->iocb, &iter); + revert_creds(old_cred); if (ret != -EIOCBQUEUED) erofs_fileio_ki_complete(&rq->iocb, ret); } |