Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fdf892be32d84a1745fa0aee5fc60517421b8038
Commit: fdf892be32d84a1745fa0aee5fc60517421b8038
Parent: 215122e1110f97a3f478829049b9840cf8fdde57
Author: Andrew Morton <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 12 00:51:44 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Feb 12 09:48:27 2007 -0800
[PATCH] register_blkdev(): don't hand out the LOCAL/EXPERIMENTAL majors
As pointed out in http://bugzilla.kernel.org/show_bug.cgi?id=7922, dynamic
blockdev major allocation can hand out majors which LANANA has defined as
being for local/experimental use.
Cc: Torben Mathiasen <[EMAIL PROTECTED]>
Cc: Greg KH <[EMAIL PROTECTED]>
Cc: Al Viro <[EMAIL PROTECTED]>
Cc: Tomas Klas <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
block/genhd.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index 457fdac..36bd3e1 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -61,6 +61,14 @@ int register_blkdev(unsigned int major, const char *name)
/* temporary */
if (major == 0) {
for (index = ARRAY_SIZE(major_names)-1; index > 0; index--) {
+ /*
+ * Disallow the LANANA-assigned LOCAL/EXPERIMENTAL
+ * majors
+ */
+ if ((60 <= index && index <= 63) ||
+ (120 <= index && index <= 127) ||
+ (240 <= index && index <= 254))
+ continue;
if (major_names[index] == NULL)
break;
}
-
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