From 67fa4880c5e059428392ca6f7c2f9c38e8546fea Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Wed, 9 Dec 2009 15:36:04 +0900 Subject: TOMOYO: Compare filesystem by magic number rather than by name. Please apply below one after merging 1557d33007f63dd96e5d15f33af389378e5f2e54 (Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6). ---------- [PATCH for 2.6.33] TOMOYO: Compare filesystem by magic number rather than by name. We can use magic number for checking whether the filesystem is procfs or not. Signed-off-by: Tetsuo Handa Signed-off-by: James Morris --- security/tomoyo/realpath.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'security') diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index 18369d4..e3c7aa0 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -14,6 +14,7 @@ #include #include #include +#include #include "common.h" #include "realpath.h" @@ -112,7 +113,7 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname, path_put(&ns_root); /* Prepend "/proc" prefix if using internal proc vfs mount. */ if (!IS_ERR(sp) && (path->mnt->mnt_parent == path->mnt) && - (strcmp(path->mnt->mnt_sb->s_type->name, "proc") == 0)) { + (path->mnt->mnt_sb->s_magic == PROC_SUPER_MAGIC)) { sp -= 5; if (sp >= newname) memcpy(sp, "/proc", 5); -- cgit v1.1