Re: [PATCH 1/3] kernel/audit: consolidate handling of mm->exe_file

From: Davidlohr Bueso <dave(a)stgolabs.net&gt; This patch adds a audit_log_d_path_exe() helper function to share how we handle auditing of the exe_file's path. Used by both audit and auditsc. No functionality is changed. Cc: Paul Moore <paul(a)paul-moore.com&gt; Cc: Eric Paris <eparis(a)redhat.com&gt; Cc: linux-audit(a)redhat.com Signed-off-by: Davidlohr Bueso <dbueso(a)suse.de&gt; --- Compile tested only. kernel/audit.c | 9 +-------- kernel/audit.h | 14 ++++++++++++++ kernel/auditsc.c | 9 +-------- 3 files changed, 16 insertions(+), 16 deletions(-)

--- a/kernel/audit.h +++ b/kernel/audit.h @@ -257,6 +257,20 @@ extern struct list_head audit_filter_list[]; extern struct audit_entry *audit_dupe_rule(struct audit_krule *old); +static inline void audit_log_d_path_exe(struct audit_buffer *ab, + struct mm_struct *mm) +{ + if (!mm) { + audit_log_format(ab, " exe=(null)"); + return; + } + + down_read(&mm->mmap_sem); + if (mm->exe_file) + audit_log_d_path(ab, " exe=", &mm->exe_file->f_path); + up_read(&mm->mmap_sem); +} + /* audit watch functions */ #ifdef CONFIG_AUDIT_WATCH extern void audit_put_watch(struct audit_watch *watch);