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authorRandy Dunlap <rdunlap@xenotime.net>2006-06-27 02:53:54 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 17:32:38 -0700
commita7807a32bbb027ab9955b96734fdc7f1e6497a9f (patch)
tree8ed62e305638e1b853f1c80b5bb7ed818418765c /security
parentb3c681e09193559ba15f6c9562bd37045f120a96 (diff)
[PATCH] poison: add & use more constants
Add more poison values to include/linux/poison.h. It's not clear to me whether some others should be added or not, so I haven't added any of these: ./include/linux/libata.h:#define ATA_TAG_POISON 0xfafbfcfdU ./arch/ppc/8260_io/fcc_enet.c:1918: memset((char *)(&(immap->im_dprambase[(mem_addr+64)])), 0x88, 32); ./drivers/usb/mon/mon_text.c:429: memset(mem, 0xe5, sizeof(struct mon_event_text)); ./drivers/char/ftape/lowlevel/ftape-ctl.c:738: memset(ft_buffer[i]->address, 0xAA, FT_BUFF_SIZE); ./drivers/block/sx8.c:/* 0xf is just arbitrary, non-zero noise; this is sorta like poisoning */ Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security')
-rw-r--r--security/keys/key.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/security/keys/key.c b/security/keys/key.c
index 43295ca37b5..80de8c3e9cc 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/poison.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/security.h>
@@ -988,7 +989,7 @@ void unregister_key_type(struct key_type *ktype)
if (key->type == ktype) {
if (ktype->destroy)
ktype->destroy(key);
- memset(&key->payload, 0xbd, sizeof(key->payload));
+ memset(&key->payload, KEY_DESTROY, sizeof(key->payload));
}
}