From: Davidlohr Bueso Date: Mon, 23 Feb 2015 02:20:09 +0000 (-0800) Subject: audit: reduce mmap_sem hold for mm->exe_file X-Git-Tag: omap-for-v4.1/fixes-rc1~46^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b28255278dd7e594c8dde317c2498b7dcbf900d;p=pandora-kernel.git audit: reduce mmap_sem hold for mm->exe_file The mm->exe_file is currently serialized with mmap_sem (shared) in order to both safely (1) read the file and (2) audit it via audit_log_d_path(). Good users will, on the other hand, make use of the more standard get_mm_exe_file(), requiring only holding the mmap_sem to read the value, and relying on reference counting to make sure that the exe file won't dissapear underneath us. Additionally, upon NULL return of get_mm_exe_file, we also call audit_log_format(ab, " exe=(null)"). Signed-off-by: Davidlohr Bueso [PM: tweaked subject line] Signed-off-by: Paul Moore --- Reading git-diff-tree failed