Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[linux-drm-fsl-dcu.git] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index d993ea1a81aee7b60cdc11ffc9ee18dd09a8658d..7e36c6f6f538adaf0bf4559e6de3b49579141c8e 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -38,6 +38,7 @@
 #include <linux/binfmts.h>
 #include <linux/swap.h>
 #include <linux/utsname.h>
+#include <linux/pid_namespace.h>
 #include <linux/module.h>
 #include <linux/namei.h>
 #include <linux/proc_fs.h>
@@ -404,12 +405,10 @@ int setup_arg_pages(struct linux_binprm *bprm,
                bprm->loader += stack_base;
        bprm->exec += stack_base;
 
-       mpnt = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+       mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
        if (!mpnt)
                return -ENOMEM;
 
-       memset(mpnt, 0, sizeof(*mpnt));
-
        down_write(&mm->mmap_sem);
        {
                mpnt->vm_mm = mm;
@@ -620,8 +619,8 @@ static int de_thread(struct task_struct *tsk)
         * Reparenting needs write_lock on tasklist_lock,
         * so it is safe to do it under read_lock.
         */
-       if (unlikely(tsk->group_leader == child_reaper))
-               child_reaper = tsk;
+       if (unlikely(tsk->group_leader == child_reaper(tsk)))
+               tsk->nsproxy->pid_ns->child_reaper = tsk;
 
        zap_other_threads(tsk);
        read_unlock(&tasklist_lock);
@@ -782,7 +781,7 @@ static void flush_old_files(struct files_struct * files)
                j++;
                i = j * __NFDBITS;
                fdt = files_fdtable(files);
-               if (i >= fdt->max_fds || i >= fdt->max_fdset)
+               if (i >= fdt->max_fds)
                        break;
                set = fdt->close_on_exec->fds_bits[j];
                if (!set)
@@ -912,7 +911,7 @@ EXPORT_SYMBOL(flush_old_exec);
 int prepare_binprm(struct linux_binprm *bprm)
 {
        int mode;
-       struct inode * inode = bprm->file->f_dentry->d_inode;
+       struct inode * inode = bprm->file->f_path.dentry->d_inode;
        int retval;
 
        mode = inode->i_mode;
@@ -922,7 +921,7 @@ int prepare_binprm(struct linux_binprm *bprm)
        bprm->e_uid = current->euid;
        bprm->e_gid = current->egid;
 
-       if(!(bprm->file->f_vfsmnt->mnt_flags & MNT_NOSUID)) {
+       if(!(bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)) {
                /* Set-uid? */
                if (mode & S_ISUID) {
                        current->personality &= ~PER_CLEAR_ON_SETID;
@@ -1515,13 +1514,14 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
                ispipe = 1;
        } else
                file = filp_open(corename,
-                                O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE, 0600);
+                                O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE | flag,
+                                0600);
        if (IS_ERR(file))
                goto fail_unlock;
-       inode = file->f_dentry->d_inode;
+       inode = file->f_path.dentry->d_inode;
        if (inode->i_nlink > 1)
                goto close_fail;        /* multiple links - don't dump */
-       if (!ispipe && d_unhashed(file->f_dentry))
+       if (!ispipe && d_unhashed(file->f_path.dentry))
                goto close_fail;
 
        /* AK: actually i see no reason to not allow this for named pipes etc.,
@@ -1532,7 +1532,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
                goto close_fail;
        if (!file->f_op->write)
                goto close_fail;
-       if (!ispipe && do_truncate(file->f_dentry, 0, 0, file) != 0)
+       if (!ispipe && do_truncate(file->f_path.dentry, 0, 0, file) != 0)
                goto close_fail;
 
        retval = binfmt->core_dump(signr, regs, file);