[XFS] Fix merge failures

[pandora-kernel.git] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index e5f49f5..d1ece79 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1393,10 +1393,20 @@ int compat_do_execve(char * filename,
        if (!bprm)
                goto out_ret;
 
+       retval = mutex_lock_interruptible(&current->cred_exec_mutex);
+       if (retval < 0)
+               goto out_free;
+
+       retval = -ENOMEM;
+       bprm->cred = prepare_exec_creds();
+       if (!bprm->cred)
+               goto out_unlock;
+       check_unsafe_exec(bprm);
+
        file = open_exec(filename);
        retval = PTR_ERR(file);
        if (IS_ERR(file))
-               goto out_kfree;
+               goto out_unlock;
 
        sched_exec();
 
@@ -1410,14 +1420,10 @@ int compat_do_execve(char * filename,
 
        bprm->argc = compat_count(argv, MAX_ARG_STRINGS);
        if ((retval = bprm->argc) < 0)
-               goto out_mm;
+               goto out;
 
        bprm->envc = compat_count(envp, MAX_ARG_STRINGS);
        if ((retval = bprm->envc) < 0)
-               goto out_mm;
-
-       retval = security_bprm_alloc(bprm);
-       if (retval)
                goto out;
 
        retval = prepare_binprm(bprm);
@@ -1438,19 +1444,16 @@ int compat_do_execve(char * filename,
                goto out;
 
        retval = search_binary_handler(bprm, regs);
-       if (retval >= 0) {
-               /* execve success */
-               security_bprm_free(bprm);
-               acct_update_integrals(current);
-               free_bprm(bprm);
-               return retval;
-       }
+       if (retval < 0)
+               goto out;
 
-out:
-       if (bprm->security)
-               security_bprm_free(bprm);
+       /* execve succeeded */
+       mutex_unlock(&current->cred_exec_mutex);
+       acct_update_integrals(current);
+       free_bprm(bprm);
+       return retval;
 
-out_mm:
+out:
        if (bprm->mm)
                mmput(bprm->mm);
 
@@ -1460,7 +1463,10 @@ out_file:
                fput(bprm->file);
        }
 
-out_kfree:
+out_unlock:
+       mutex_unlock(&current->cred_exec_mutex);
+
+out_free:
        free_bprm(bprm);
 
 out_ret: