Fix error handling incallers of dbuf_hold_level()

[mirror_zfs.git] / module / zfs / zfs_vnops.c

diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index 06d93bad04e9eb92e88f9a8560cab3d5c28ffa6a..bbc171bd2830ac1a07483ecd56e6ea50c2c8adde 100644 (file)
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -844,8 +844,13 @@ zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr)
                                xuio_stat_wbuf_copied();
                        } else {
                                ASSERT(xuio || tx_bytes == max_blksz);
-                               dmu_assign_arcbuf_by_dbuf(
+                               error = dmu_assign_arcbuf_by_dbuf(
                                    sa_get_db(zp->z_sa_hdl), woff, abuf, tx);
+                               if (error != 0) {
+                                       dmu_return_arcbuf(abuf);
+                                       dmu_tx_commit(tx);
+                                       break;
+                               }
                        }
                        ASSERT(tx_bytes <= uio->uio_resid);
                        uioskip(uio, tx_bytes);