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* [PATCH] exec: make prepare_bprm_creds static
@ 2018-12-10  7:49 Chanho Min
  2018-12-10  8:30 ` Michal Hocko
  2018-12-10  8:39 ` Al Viro
  0 siblings, 2 replies; 3+ messages in thread
From: Chanho Min @ 2018-12-10  7:49 UTC (permalink / raw)
  To: Alexander Viro, Andrew Morton, Kees Cook, Eric W. Biederman,
	David S. Miller, Michal Hocko, Alexei Starovoitov
  Cc: linux-fsdevel, linux-kernel, Seungho Park, Chanho Min

prepare_bprm_creds is not used outside exec.c, so there's no reason for it
to have external linkage.

Signed-off-by: Chanho Min <chanho.min@lge.com>
---
 fs/exec.c               | 2 +-
 include/linux/binfmts.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index fc281b7..b6c9e5f 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1399,7 +1399,7 @@ EXPORT_SYMBOL(finalize_exec);
  * Or, if exec fails before, free_bprm() should release ->cred and
  * and unlock.
  */
-int prepare_bprm_creds(struct linux_binprm *bprm)
+static int prepare_bprm_creds(struct linux_binprm *bprm)
 {
 	if (mutex_lock_interruptible(&current->signal->cred_guard_mutex))
 		return -ERESTARTNOINTR;
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index e9f5fe6..6a9e43d 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -138,7 +138,6 @@ extern int transfer_args_to_stack(struct linux_binprm *bprm,
 extern int bprm_change_interp(const char *interp, struct linux_binprm *bprm);
 extern int copy_strings_kernel(int argc, const char *const *argv,
 			       struct linux_binprm *bprm);
-extern int prepare_bprm_creds(struct linux_binprm *bprm);
 extern void install_exec_creds(struct linux_binprm *bprm);
 extern void set_binfmt(struct linux_binfmt *new);
 extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t);
-- 
2.1.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] exec: make prepare_bprm_creds static
  2018-12-10  7:49 [PATCH] exec: make prepare_bprm_creds static Chanho Min
@ 2018-12-10  8:30 ` Michal Hocko
  2018-12-10  8:39 ` Al Viro
  1 sibling, 0 replies; 3+ messages in thread
From: Michal Hocko @ 2018-12-10  8:30 UTC (permalink / raw)
  To: Chanho Min
  Cc: Alexander Viro, Andrew Morton, Kees Cook, Eric W. Biederman,
	David S. Miller, Alexei Starovoitov, linux-fsdevel, linux-kernel,
	Seungho Park

On Mon 10-12-18 16:49:54, Chanho Min wrote:
> prepare_bprm_creds is not used outside exec.c, so there's no reason for it
> to have external linkage.
> 
> Signed-off-by: Chanho Min <chanho.min@lge.com>

Acked-by: Michal Hocko <mhocko@suse.com>

> ---
>  fs/exec.c               | 2 +-
>  include/linux/binfmts.h | 1 -
>  2 files changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/exec.c b/fs/exec.c
> index fc281b7..b6c9e5f 100644
> --- a/fs/exec.c
> +++ b/fs/exec.c
> @@ -1399,7 +1399,7 @@ EXPORT_SYMBOL(finalize_exec);
>   * Or, if exec fails before, free_bprm() should release ->cred and
>   * and unlock.
>   */
> -int prepare_bprm_creds(struct linux_binprm *bprm)
> +static int prepare_bprm_creds(struct linux_binprm *bprm)
>  {
>  	if (mutex_lock_interruptible(&current->signal->cred_guard_mutex))
>  		return -ERESTARTNOINTR;
> diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
> index e9f5fe6..6a9e43d 100644
> --- a/include/linux/binfmts.h
> +++ b/include/linux/binfmts.h
> @@ -138,7 +138,6 @@ extern int transfer_args_to_stack(struct linux_binprm *bprm,
>  extern int bprm_change_interp(const char *interp, struct linux_binprm *bprm);
>  extern int copy_strings_kernel(int argc, const char *const *argv,
>  			       struct linux_binprm *bprm);
> -extern int prepare_bprm_creds(struct linux_binprm *bprm);
>  extern void install_exec_creds(struct linux_binprm *bprm);
>  extern void set_binfmt(struct linux_binfmt *new);
>  extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t);
> -- 
> 2.1.4
> 

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] exec: make prepare_bprm_creds static
  2018-12-10  7:49 [PATCH] exec: make prepare_bprm_creds static Chanho Min
  2018-12-10  8:30 ` Michal Hocko
@ 2018-12-10  8:39 ` Al Viro
  1 sibling, 0 replies; 3+ messages in thread
From: Al Viro @ 2018-12-10  8:39 UTC (permalink / raw)
  To: Chanho Min
  Cc: Andrew Morton, Kees Cook, Eric W. Biederman, David S. Miller,
	Michal Hocko, Alexei Starovoitov, linux-fsdevel, linux-kernel,
	Seungho Park

On Mon, Dec 10, 2018 at 04:49:54PM +0900, Chanho Min wrote:
> prepare_bprm_creds is not used outside exec.c, so there's no reason for it
> to have external linkage.

Applied...

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-12-10  8:40 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-12-10  7:49 [PATCH] exec: make prepare_bprm_creds static Chanho Min
2018-12-10  8:30 ` Michal Hocko
2018-12-10  8:39 ` Al Viro

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