From cdfd74a538d9849593b1d30607f0a8a8c94a44b5 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 21 Oct 1997 18:37:58 +0000 Subject: Added check that return argument pointer for old_isr_handler was valid. --- c/src/exec/rtems/src/intr.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'c/src/exec/rtems') diff --git a/c/src/exec/rtems/src/intr.c b/c/src/exec/rtems/src/intr.c index 754a9d298f..d446515c72 100644 --- a/c/src/exec/rtems/src/intr.c +++ b/c/src/exec/rtems/src/intr.c @@ -58,6 +58,9 @@ rtems_status_code rtems_interrupt_catch( if ( !_ISR_Is_valid_user_handler( (void *) new_isr_handler ) ) return RTEMS_INVALID_ADDRESS; + if ( !_ISR_Is_valid_user_handler( (void *) old_isr_handler ) ) + return RTEMS_INVALID_ADDRESS; + _ISR_Install_vector( vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler ); -- cgit v1.2.3