return 0;
err:
- if (!pcol->read_4_write)
- _unlock_pcol_pages(pcol, ret, READ);
-
- pcol_free(pcol);
-
+ if (!pcol_copy) /* Failed before ownership transfer */
+ pcol_copy = pcol;
+ _unlock_pcol_pages(pcol_copy, ret, READ);
+ pcol_free(pcol_copy);
kfree(pcol_copy);
+
return ret;
}
return 0;
err:
- _unlock_pcol_pages(pcol, ret, WRITE);
- pcol_free(pcol);
+ if (!pcol_copy) /* Failed before ownership transfer */
+ pcol_copy = pcol;
+ _unlock_pcol_pages(pcol_copy, ret, WRITE);
+ pcol_free(pcol_copy);
kfree(pcol_copy);
return ret;