diff options
Diffstat (limited to 'security/apparmor/context.c')
| -rw-r--r-- | security/apparmor/context.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/security/apparmor/context.c b/security/apparmor/context.c index 70e4a094add8..d95a3d47cb92 100644 --- a/security/apparmor/context.c +++ b/security/apparmor/context.c @@ -156,8 +156,7 @@ int aa_set_current_onexec(struct aa_label *label, bool stack) */ int aa_set_current_hat(struct aa_label *label, u64 token) { - struct aa_task_ctx *tctx = current_task_ctx(); - struct aa_cred_ctx *ctx; + struct aa_task_ctx *ctx = current_task_ctx(); struct cred *new; new = prepare_creds(); @@ -165,11 +164,11 @@ int aa_set_current_hat(struct aa_label *label, u64 token) return -ENOMEM; AA_BUG(!label); - if (!tctx->previous) { + if (!ctx->previous) { /* transfer refcount */ - tctx->previous = cred_label(new); - tctx->token = token; - } else if (tctx->token == token) { + ctx->previous = cred_label(new); + ctx->token = token; + } else if (ctx->token == token) { aa_put_label(cred_label(new)); } else { /* previous_profile && ctx->token != token */ @@ -179,8 +178,8 @@ int aa_set_current_hat(struct aa_label *label, u64 token) cred_label(new) = aa_get_newest_label(label); /* clear exec on switching context */ - aa_put_label(tctx->onexec); - tctx->onexec = NULL; + aa_put_label(ctx->onexec); + ctx->onexec = NULL; commit_creds(new); return 0; @@ -197,13 +196,13 @@ int aa_set_current_hat(struct aa_label *label, u64 token) */ int aa_restore_previous_label(u64 token) { - struct aa_task_ctx *tctx = current_task_ctx(); + struct aa_task_ctx *ctx = current_task_ctx(); struct cred *new; - if (tctx->token != token) + if (ctx->token != token) return -EACCES; /* ignore restores when there is no saved label */ - if (!tctx->previous) + if (!ctx->previous) return 0; new = prepare_creds(); @@ -211,10 +210,10 @@ int aa_restore_previous_label(u64 token) return -ENOMEM; aa_put_label(cred_label(new)); - cred_label(new) = aa_get_newest_label(tctx->previous); + cred_label(new) = aa_get_newest_label(ctx->previous); AA_BUG(!cred_label(new)); /* clear exec && prev information when restoring to previous context */ - aa_clear_task_ctx_trans(tctx); + aa_clear_task_ctx_trans(ctx); commit_creds(new); |