NLM: Remove AF_UNSPEC arm in nlm_display_address()

[safe/jmp/linux-2.6] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index 32f13e2..9c33f54 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -51,17 +51,13 @@
 #include <linux/audit.h>
 #include <linux/tracehook.h>
 #include <linux/kmod.h>
+#include <linux/fsnotify.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/tlb.h>
 #include "internal.h"
 
-#ifdef __alpha__
-/* for /sbin/loader handling in search_binary_handler() */
-#include <linux/a.out.h>
-#endif
-
 int core_uses_pid;
 char core_pattern[CORENAME_MAX_SIZE] = "core";
 int suid_dumpable = 0;
@@ -127,7 +123,8 @@ asmlinkage long sys_uselib(const char __user * library)
        if (nd.path.mnt->mnt_flags & MNT_NOEXEC)
                goto exit;
 
-       error = vfs_permission(&nd, MAY_READ | MAY_EXEC | MAY_OPEN);
+       error = inode_permission(nd.path.dentry->d_inode,
+                                MAY_READ | MAY_EXEC | MAY_OPEN);
        if (error)
                goto exit;
 
@@ -136,6 +133,8 @@ asmlinkage long sys_uselib(const char __user * library)
        if (IS_ERR(file))
                goto out;
 
+       fsnotify_open(file->f_path.dentry);
+
        error = -ENOEXEC;
        if(file->f_op) {
                struct linux_binfmt * fmt;
@@ -680,7 +679,7 @@ struct file *open_exec(const char *name)
        if (nd.path.mnt->mnt_flags & MNT_NOEXEC)
                goto out_path_put;
 
-       err = vfs_permission(&nd, MAY_EXEC | MAY_OPEN);
+       err = inode_permission(nd.path.dentry->d_inode, MAY_EXEC | MAY_OPEN);
        if (err)
                goto out_path_put;
 
@@ -688,6 +687,8 @@ struct file *open_exec(const char *name)
        if (IS_ERR(file))
                return file;
 
+       fsnotify_open(file->f_path.dentry);
+
        err = deny_write_access(file);
        if (err) {
                fput(file);
@@ -773,7 +774,6 @@ static int de_thread(struct task_struct *tsk)
        struct signal_struct *sig = tsk->signal;
        struct sighand_struct *oldsighand = tsk->sighand;
        spinlock_t *lock = &oldsighand->siglock;
-       struct task_struct *leader = NULL;
        int count;
 
        if (thread_group_empty(tsk))
@@ -811,7 +811,7 @@ static int de_thread(struct task_struct *tsk)
         * and to assume its PID:
         */
        if (!thread_group_leader(tsk)) {
-               leader = tsk->group_leader;
+               struct task_struct *leader = tsk->group_leader;
 
                sig->notify_count = -1; /* for exit_notify() */
                for (;;) {
@@ -863,8 +863,9 @@ static int de_thread(struct task_struct *tsk)
 
                BUG_ON(leader->exit_state != EXIT_ZOMBIE);
                leader->exit_state = EXIT_DEAD;
-
                write_unlock_irq(&tasklist_lock);
+
+               release_task(leader);
        }
 
        sig->group_exit_task = NULL;
@@ -873,8 +874,6 @@ static int de_thread(struct task_struct *tsk)
 no_thread_group:
        exit_itimers(sig);
        flush_itimer_signals();
-       if (leader)
-               release_task(leader);
 
        if (atomic_read(&oldsighand->count) != 1) {
                struct sighand_struct *newsighand;
@@ -1170,43 +1169,10 @@ EXPORT_SYMBOL(remove_arg_zero);
  */
 int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
 {
+       unsigned int depth = bprm->recursion_depth;
        int try,retval;
        struct linux_binfmt *fmt;
-#ifdef __alpha__
-       /* handle /sbin/loader.. */
-       {
-           struct exec * eh = (struct exec *) bprm->buf;
-
-           if (!bprm->loader && eh->fh.f_magic == 0x183 &&
-               (eh->fh.f_flags & 0x3000) == 0x3000)
-           {
-               struct file * file;
-               unsigned long loader;
 
-               allow_write_access(bprm->file);
-               fput(bprm->file);
-               bprm->file = NULL;
-
-               loader = bprm->vma->vm_end - sizeof(void *);
-
-               file = open_exec("/sbin/loader");
-               retval = PTR_ERR(file);
-               if (IS_ERR(file))
-                       return retval;
-
-               /* Remember if the application is TASO.  */
-               bprm->taso = eh->ah.entry < 0x100000000UL;
-
-               bprm->file = file;
-               bprm->loader = loader;
-               retval = prepare_binprm(bprm);
-               if (retval<0)
-                       return retval;
-               /* should call search_binary_handler recursively here,
-                  but it does not matter */
-           }
-       }
-#endif
        retval = security_bprm_check(bprm);
        if (retval)
                return retval;
@@ -1230,8 +1196,15 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
                                continue;
                        read_unlock(&binfmt_lock);
                        retval = fn(bprm, regs);
+                       /*
+                        * Restore the depth counter to its starting value
+                        * in this call, so we don't have to rely on every
+                        * load_binary function to restore it on return.
+                        */
+                       bprm->recursion_depth = depth;
                        if (retval >= 0) {
-                               tracehook_report_exec(fmt, bprm, regs);
+                               if (depth == 0)
+                                       tracehook_report_exec(fmt, bprm, regs);
                                put_binfmt(fmt);
                                allow_write_access(bprm->file);
                                if (bprm->file)