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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
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
* 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;