diff options
| author | Kees Cook <keescook@chromium.org> | 2014-05-21 15:02:11 -0700 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2018-09-25 23:47:33 +0100 |
| commit | 14d4b3d574c1ff6a8f830a198fb6b569468d7d6b (patch) | |
| tree | e30d3838f2dd58825e73cb35001b6f6aac58c887 | |
| parent | 991ec538e6683859b065467b8406c7e57526e212 (diff) | |
seccomp: create internal mode-setting function
commit d78ab02c2c194257a03355fbb79eb721b381d105 upstream.
In preparation for having other callers of the seccomp mode setting
logic, split the prctl entry point away from the core logic that performs
seccomp mode setting.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | kernel/seccomp.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/kernel/seccomp.c b/kernel/seccomp.c index e2eb71b1e970..ef24e22c3d14 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -473,7 +473,7 @@ long prctl_get_seccomp(void) } /** - * prctl_set_seccomp: configures current->seccomp.mode + * seccomp_set_mode: internal function for setting seccomp mode * @seccomp_mode: requested mode to use * @filter: optional struct sock_fprog for use with SECCOMP_MODE_FILTER * @@ -486,7 +486,7 @@ long prctl_get_seccomp(void) * * Returns 0 on success or -EINVAL on failure. */ -long prctl_set_seccomp(unsigned long seccomp_mode, char __user *filter) +static long seccomp_set_mode(unsigned long seccomp_mode, char __user *filter) { long ret = -EINVAL; @@ -517,3 +517,15 @@ long prctl_set_seccomp(unsigned long seccomp_mode, char __user *filter) out: return ret; } + +/** + * prctl_set_seccomp: configures current->seccomp.mode + * @seccomp_mode: requested mode to use + * @filter: optional struct sock_fprog for use with SECCOMP_MODE_FILTER + * + * Returns 0 on success or -EINVAL on failure. + */ +long prctl_set_seccomp(unsigned long seccomp_mode, char __user *filter) +{ + return seccomp_set_mode(seccomp_mode, filter); +} |