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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1997-10-21 18:37:58 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1997-10-21 18:37:58 +0000 |
| commit | cdfd74a538d9849593b1d30607f0a8a8c94a44b5 (patch) | |
| tree | 6cd6a2edb8bcf3918f5ff9aa109fa0337debba77 /c/src/exec/rtems | |
| parent | Moved rtems directory up one directory in the install point. It was (diff) | |
| download | rtems-cdfd74a538d9849593b1d30607f0a8a8c94a44b5.tar.bz2 | |
Added check that return argument pointer for old_isr_handler was valid.
Diffstat (limited to 'c/src/exec/rtems')
| -rw-r--r-- | c/src/exec/rtems/src/intr.c | 3 |
1 files changed, 3 insertions, 0 deletions
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 ); |