Simplify issig().

We always call it twice with JUSTLOOKING and then FORREAL.

Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Pawel Jakub Dawidek <[email protected]>
Closes #16225 

1 files changed, 3 insertions, 13 deletions

diff --git a/module/os/linux/spl/spl-thread.c b/module/os/linux/spl/spl-thread.c
index ee3eb4690..dbb8eefa7 100644
--- a/module/os/linux/spl/spl-thread.c
+++ b/module/os/linux/spl/spl-thread.c
@@ -152,26 +152,16 @@ spl_kthread_create(int (*func)(void *), void *data, const char namefmt[], ...)
 EXPORT_SYMBOL(spl_kthread_create);
 
 /*
- * The "why" argument indicates the allowable side-effects of the call:
- *
- * FORREAL:  Extract the next pending signal from p_sig into p_cursig;
- * stop the process if a stop has been requested or if a traced signal
- * is pending.
- *
- * JUSTLOOKING:  Don't stop the process, just indicate whether or not
- * a signal might be pending (FORREAL is needed to tell for sure).
+ * Extract the next pending signal from p_sig into p_cursig; stop the process
+ * if a stop has been requested or if a traced signal is pending.
  */
 int
-issig(int why)
+issig(void)
 {
-	ASSERT(why == FORREAL || why == JUSTLOOKING);
 
 	if (!signal_pending(current))
 		return (0);
 
-	if (why != FORREAL)
-		return (1);
-
 	struct task_struct *task = current;
 	spl_kernel_siginfo_t __info;
 	sigset_t set;