serial: fix NULL pointer dereference

[safe/jmp/linux-2.6] / include / linux / magic.h

diff --git a/include/linux/magic.h b/include/linux/magic.h
index bce3778..76285e0 100644 (file)
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -12,6 +12,7 @@
 #define SYSFS_MAGIC            0x62656572
 #define SECURITYFS_MAGIC       0x73636673
 #define SELINUX_MAGIC          0xf97cff8c
+#define RAMFS_MAGIC            0x858458f6      /* some random number */
 #define TMPFS_MAGIC            0x01021994
 #define HUGETLBFS_MAGIC        0x958458f6      /* some random number */
 #define SQUASHFS_MAGIC         0x73717368