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Subject[PATCH] exec: make prepare_bprm_creds static
Date
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
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