Could you please take this patch into the 2.2 and 2.3 streams? It
basically prevents sys_mount() from trying to invoke free_page(0).
Note that copy_mount_options() might return 0 both in the case
where it allocates a page, and in the case it does not.
Thanks.
Kanoj
kanoj@engr.sgi.com
--- /usr/tmp/p_rdiff_a005Eo/super.c Fri Aug 6 16:01:57 1999
+++ fs/super.c Fri Aug 6 15:00:35 1999
@@ -1037,7 +1037,8 @@
retval = do_remount(dir_name,
new_flags & ~MS_MGC_MSK & ~MS_REMOUNT,
(char *) page);
- free_page(page);
+ if (page)
+ free_page(page);
goto out;
}
@@ -1045,7 +1046,8 @@
if (retval < 0)
goto out;
fstype = get_fs_type((char *) page);
- free_page(page);
+ if (page)
+ free_page(page);
retval = -ENODEV;
if (!fstype)
goto out;
@@ -1099,7 +1101,8 @@
}
retval = do_mount(dev, dev_name, dir_name, fstype->name, flags,
(void *) page);
- free_page(page);
+ if (page)
+ free_page(page);
if (retval)
goto clean_up;
-
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