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exec: make prepare_bprm_creds static

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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>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Chanho Min 2018-12-10 16:49:54 +09:00 • committed by Al Viro
parent 22cb7405fa
commit 4addd2640f
2 changed files with 1 additions and 2 deletions
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2
fs/exec.c
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@ -1399,7 +1399,7 @@ EXPORT_SYMBOL(finalize_exec);
* Or, if exec fails before, free_bprm() should release ->cred and * Or, if exec fails before, free_bprm() should release ->cred and
* and unlock. * 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)) if (mutex_lock_interruptible(&current->signal->cred_guard_mutex))
return -ERESTARTNOINTR; return -ERESTARTNOINTR;

1
include/linux/binfmts.h
View file

@ -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 bprm_change_interp(const char *interp, struct linux_binprm *bprm);
extern int copy_strings_kernel(int argc, const char *const *argv, 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 void install_exec_creds(struct linux_binprm *bprm); extern void install_exec_creds(struct linux_binprm *bprm);
extern void set_binfmt(struct linux_binfmt *new); extern void set_binfmt(struct linux_binfmt *new);
extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t); extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t);