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coredump: update coredump-related headers

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Create a new header file, fs/coredump.h, which contains functions only
used by the new coredump.c.  It also moves do_coredump to the
include/linux/coredump.h header file, for consistency.

Signed-off-by: Alex Kelly <alex.page.kelly@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alex Kelly 2012-10-04 17:15:24 -07:00 • committed by Linus Torvalds
parent 046d662f48
commit 179899fd5d
7 changed files with 15 additions and 6 deletions
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2
fs/coredump.c
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@ -14,6 +14,7 @@
#include <linux/key.h> #include <linux/key.h>
#include <linux/personality.h> #include <linux/personality.h>
#include <linux/binfmts.h> #include <linux/binfmts.h>
#include <linux/coredump.h>
#include <linux/utsname.h> #include <linux/utsname.h>
#include <linux/pid_namespace.h> #include <linux/pid_namespace.h>
#include <linux/module.h> #include <linux/module.h>
@ -39,6 +40,7 @@
#include <trace/events/task.h> #include <trace/events/task.h>
#include "internal.h" #include "internal.h"
#include "coredump.h"
#include <trace/events/sched.h> #include <trace/events/sched.h>

6
fs/coredump.h Normal file
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@ -0,0 +1,6 @@
#ifndef _FS_COREDUMP_H
#define _FS_COREDUMP_H
extern int __get_dumpable(unsigned long mm_flags);
#endif

1
fs/exec.c
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@ -63,6 +63,7 @@
#include <trace/events/task.h> #include <trace/events/task.h>
#include "internal.h" #include "internal.h"
#include "coredump.h"
#include <trace/events/sched.h> #include <trace/events/sched.h>

5
include/linux/binfmts.h
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@ -132,11 +132,6 @@ extern int copy_strings_kernel(int argc, const char *const *argv,
struct linux_binprm *bprm); struct linux_binprm *bprm);
extern int prepare_bprm_creds(struct linux_binprm *bprm); extern int prepare_bprm_creds(struct linux_binprm *bprm);
extern void install_exec_creds(struct linux_binprm *bprm); extern void install_exec_creds(struct linux_binprm *bprm);
#ifdef CONFIG_COREDUMP
extern void do_coredump(long signr, int exit_code, struct pt_regs *regs);
#else
static inline void do_coredump(long signr, int exit_code, struct pt_regs *regs) {}
#endif
extern void set_binfmt(struct linux_binfmt *new); extern void set_binfmt(struct linux_binfmt *new);
extern void free_bprm(struct linux_binprm *); extern void free_bprm(struct linux_binprm *);

5
include/linux/coredump.h
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@ -11,5 +11,10 @@
*/ */
extern int dump_write(struct file *file, const void *addr, int nr); extern int dump_write(struct file *file, const void *addr, int nr);
extern int dump_seek(struct file *file, loff_t off); extern int dump_seek(struct file *file, loff_t off);
#ifdef CONFIG_COREDUMP
extern void do_coredump(long signr, int exit_code, struct pt_regs *regs);
#else
static inline void do_coredump(long signr, int exit_code, struct pt_regs *regs) {}
#endif
#endif /* _LINUX_COREDUMP_H */ #endif /* _LINUX_COREDUMP_H */

1
include/linux/sched.h
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@ -405,7 +405,6 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
extern void set_dumpable(struct mm_struct *mm, int value); extern void set_dumpable(struct mm_struct *mm, int value);
extern int get_dumpable(struct mm_struct *mm); extern int get_dumpable(struct mm_struct *mm);
extern int __get_dumpable(unsigned long mm_flags);
/* get/set_dumpable() values */ /* get/set_dumpable() values */
#define SUID_DUMPABLE_DISABLED 0 #define SUID_DUMPABLE_DISABLED 0

1
kernel/signal.c
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@ -17,6 +17,7 @@
#include <linux/fs.h> #include <linux/fs.h>
#include <linux/tty.h> #include <linux/tty.h>
#include <linux/binfmts.h> #include <linux/binfmts.h>
#include <linux/coredump.h>
#include <linux/security.h> #include <linux/security.h>
#include <linux/syscalls.h> #include <linux/syscalls.h>
#include <linux/ptrace.h> #include <linux/ptrace.h>