diff options
Diffstat (limited to 'kernel/torture.c')
-rw-r--r-- | kernel/torture.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/torture.c b/kernel/torture.c index ae1723a4c751..0ed0b49d2ce1 100644 --- a/kernel/torture.c +++ b/kernel/torture.c @@ -599,14 +599,20 @@ static void torture_stutter_cleanup(void) * The runnable parameter points to a flag that controls whether or not * the test is currently runnable. If there is no such flag, pass in NULL. */ -void __init torture_init_begin(char *ttype, bool v, int *runnable) +bool __init torture_init_begin(char *ttype, bool v, int *runnable) { mutex_lock(&fullstop_mutex); + if (torture_type != NULL) { + pr_alert("torture_init_begin: refusing %s init: %s running", + ttype, torture_type); + mutex_unlock(&fullstop_mutex); + return false; + } torture_type = ttype; verbose = v; torture_runnable = runnable; fullstop = FULLSTOP_DONTSTOP; - + return true; } EXPORT_SYMBOL_GPL(torture_init_begin); @@ -645,6 +651,9 @@ bool torture_cleanup(void) torture_shuffle_cleanup(); torture_stutter_cleanup(); torture_onoff_cleanup(); + mutex_lock(&fullstop_mutex); + torture_type = NULL; + mutex_unlock(&fullstop_mutex); return false; } EXPORT_SYMBOL_GPL(torture_cleanup); |