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| author | John Johansen <john.johansen@canonical.com> | 2013-02-21 13:25:44 -0800 |
|---|---|---|
| committer | John Johansen <john.johansen@canonical.com> | 2013-04-28 00:39:35 -0700 |
| commit | 53fe8b9961716033571d9799005bfdbbafa5162c (patch) | |
| tree | 65e4a560f30d7b929059cd5cf9814b700e791a52 | |
| parent | 41d1b3e868c263e8b43dd5903a70633e05ae58a6 (diff) | |
| download | linux-53fe8b9961716033571d9799005bfdbbafa5162c.tar.bz2 | |
apparmor: fix sparse warnings
Fix a couple of warning reported by sparse
Signed-off-by: John Johansen <john.johansen@canonical.com>
| -rw-r--r-- | security/apparmor/include/file.h | 14 | ||||
| -rw-r--r-- | security/apparmor/lsm.c | 8 |
2 files changed, 11 insertions, 11 deletions
diff --git a/security/apparmor/include/file.h b/security/apparmor/include/file.h index 967b2deda376..2c922b86bd44 100644 --- a/security/apparmor/include/file.h +++ b/security/apparmor/include/file.h @@ -186,11 +186,6 @@ static inline void aa_free_file_rules(struct aa_file_rules *rules) aa_free_domain_entries(&rules->trans); } -#define ACC_FMODE(x) (("\000\004\002\006"[(x)&O_ACCMODE]) | (((x) << 1) & 0x40)) - -/* from namei.c */ -#define MAP_OPEN_FLAGS(x) ((((x) + 1) & O_ACCMODE) ? (x) + 1 : (x)) - /** * aa_map_file_perms - map file flags to AppArmor permissions * @file: open file to map flags to AppArmor permissions @@ -199,8 +194,13 @@ static inline void aa_free_file_rules(struct aa_file_rules *rules) */ static inline u32 aa_map_file_to_perms(struct file *file) { - int flags = MAP_OPEN_FLAGS(file->f_flags); - u32 perms = ACC_FMODE(file->f_mode); + int flags = file->f_flags; + u32 perms = 0; + + if (file->f_mode & FMODE_WRITE) + perms |= MAY_WRITE; + if (file->f_mode & FMODE_READ) + perms |= MAY_READ; if ((flags & O_APPEND) && (perms & MAY_WRITE)) perms = (perms & ~MAY_WRITE) | MAY_APPEND; diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index ed7e3aadba3a..10843aa5a368 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -909,8 +909,11 @@ static int __init apparmor_init(void) error = register_security(&apparmor_ops); if (error) { + struct cred *cred = (struct cred *)current->real_cred; + aa_free_task_context(cred->security); + cred->security = NULL; AA_ERROR("Unable to register AppArmor\n"); - goto set_init_cxt_out; + goto register_security_out; } /* Report that AppArmor successfully initialized */ @@ -924,9 +927,6 @@ static int __init apparmor_init(void) return error; -set_init_cxt_out: - aa_free_task_context(current->real_cred->security); - register_security_out: aa_free_root_ns(); |