Changeset cdfd74a5 in rtems

Timestamp:

Oct 21, 1997, 6:37:58 PM (23 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

a7e2729

Parents:

d7072e5

Message:

Added check that return argument pointer for old_isr_handler was valid.

Files:

• c/src/exec/rtems/src/intr.c (modified) (1 diff)
• cpukit/rtems/src/intr.c (modified) (1 diff)

c/src/exec/rtems/src/intr.c

@@ -59 +59 @@
     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 );

cpukit/rtems/src/intr.c

@@ -59 +59 @@
     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 );