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tty: audit: Handle tty audit enable atomically

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The audit_tty and audit_tty_log_passwd fields are actually bool
values, so merge into single memory location to access atomically.

NB: audit log operations may still occur after tty audit is disabled
which is consistent with the existing functionality

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2016-01-09 22:55:33 -08:00 • committed by Greg Kroah-Hartman
parent 4d240b6442
commit 2e28d38ae1
4 changed files with 38 additions and 45 deletions
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1
include/linux/sched.h
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@ -775,7 +775,6 @@ struct signal_struct {
#endif
#ifdef CONFIG_AUDIT
unsigned audit_tty;
unsigned audit_tty_log_passwd;
struct tty_audit_buf *tty_audit_buf;
#endif