diff options
Diffstat (limited to 'security/tomoyo')
-rw-r--r-- | security/tomoyo/common.c | 17 | ||||
-rw-r--r-- | security/tomoyo/file.c | 1 | ||||
-rw-r--r-- | security/tomoyo/memory.c | 1 |
3 files changed, 13 insertions, 6 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index 7556315c197..a0d09e56874 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -108,10 +108,9 @@ static bool tomoyo_flush(struct tomoyo_io_buffer *head) head->read_user_buf += len; w += len; } - if (*w) { - head->r.w[0] = w; + head->r.w[0] = w; + if (*w) return false; - } /* Add '\0' for query. */ if (head->poll) { if (!head->read_user_buf_avail || @@ -459,8 +458,16 @@ static int tomoyo_write_profile(struct tomoyo_io_buffer *head) if (profile == &tomoyo_default_profile) return -EINVAL; if (!strcmp(data, "COMMENT")) { - const struct tomoyo_path_info *old_comment = profile->comment; - profile->comment = tomoyo_get_name(cp); + static DEFINE_SPINLOCK(lock); + const struct tomoyo_path_info *new_comment + = tomoyo_get_name(cp); + const struct tomoyo_path_info *old_comment; + if (!new_comment) + return -ENOMEM; + spin_lock(&lock); + old_comment = profile->comment; + profile->comment = new_comment; + spin_unlock(&lock); tomoyo_put_name(old_comment); return 0; } diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c index cb09f1fce91..d64e8ecb6fb 100644 --- a/security/tomoyo/file.c +++ b/security/tomoyo/file.c @@ -1011,7 +1011,6 @@ int tomoyo_path_perm(const u8 operation, struct path *path) break; case TOMOYO_TYPE_RMDIR: case TOMOYO_TYPE_CHROOT: - case TOMOYO_TYPE_UMOUNT: tomoyo_add_slash(&buf); break; } diff --git a/security/tomoyo/memory.c b/security/tomoyo/memory.c index 297612669c7..42a7b1ba8cb 100644 --- a/security/tomoyo/memory.c +++ b/security/tomoyo/memory.c @@ -75,6 +75,7 @@ void *tomoyo_commit_ok(void *data, const unsigned int size) memset(data, 0, size); return ptr; } + kfree(ptr); return NULL; } |