read_kmem() gets stuck in silly loop after reading last vmalloc area.
Patch below against 2.4.8-pre1 or 2.4.7-ac1: please apply.
Hugh
--- linux-2.4.8-pre1/drivers/char/mem.c Wed Jul 11 00:07:46 2001
+++ linux/drivers/char/mem.c Fri Jul 27 21:40:05 2001
@@ -260,7 +260,9 @@
if (len > PAGE_SIZE)
len = PAGE_SIZE;
len = vread(kbuf, (char *)p, len);
- if (len && copy_to_user(buf, kbuf, len)) {
+ if (!len)
+ break;
+ if (copy_to_user(buf, kbuf, len)) {
free_page((unsigned long)kbuf);
return -EFAULT;
}
-
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:35 EST