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coredump: make __get_dumpable/get_dumpable inline, kill fs/coredump.h

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1. Remove fs/coredump.h. It is not clear why do we need it,
   it only declares __get_dumpable(), signal.c includes it
   for no reason.

2. Now that get_dumpable() and __get_dumpable() are really
   trivial make them inline in linux/sched.h.

Signed-off-by: Oleg Nesterov <[email protected]>
Acked-by: Kees Cook <[email protected]>
Cc: Alex Kelly <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Josh Triplett <[email protected]>
Cc: Petr Matousek <[email protected]>
Cc: Vasily Kulikov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Oleg Nesterov 2014-01-23 15:55:34 -08:00 • committed by Linus Torvalds
commit 942be3875a
4 changed files with 17 additions and 29 deletions
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18
fs/exec.c
View file

@ -62,7 +62,6 @@
#include <trace/events/task.h>
#include "internal.h"
#include "coredump.h"
#include <trace/events/sched.h>
@ -1609,7 +1608,6 @@ void set_binfmt(struct linux_binfmt *new)
if (new)
__module_get(new->module);
}
EXPORT_SYMBOL(set_binfmt);
/*
@ -1628,22 +1626,6 @@ void set_dumpable(struct mm_struct *mm, int value)
} while (cmpxchg(&mm->flags, old, new) != old);
}
int __get_dumpable(unsigned long mm_flags)
{
return mm_flags & MMF_DUMPABLE_MASK;
}
/*
* This returns the actual value of the suid_dumpable flag. For things
* that are using this for checking for privilege transitions, it must
* test against SUID_DUMP_USER rather than treating it as a boolean
* value.
*/
int get_dumpable(struct mm_struct *mm)
{
return __get_dumpable(mm->flags);
}
SYSCALL_DEFINE3(execve,
const char __user *, filename,
const char __user *const __user *, argv,