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Added check that return argument pointer for old_isr_handler was valid.

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This commit is contained in:
Joel Sherrill
1997-10-21 18:37:58 +00:00
parent d7072e56f5
commit cdfd74a538
2 changed files with 6 additions and 0 deletions
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3
c/src/exec/rtems/src/intr.c
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@@ -58,6 +58,9 @@ rtems_status_code rtems_interrupt_catch(
if ( !_ISR_Is_valid_user_handler( (void *) new_isr_handler ) ) if ( !_ISR_Is_valid_user_handler( (void *) new_isr_handler ) )
return RTEMS_INVALID_ADDRESS; return RTEMS_INVALID_ADDRESS;
if ( !_ISR_Is_valid_user_handler( (void *) old_isr_handler ) )
return RTEMS_INVALID_ADDRESS;
_ISR_Install_vector( _ISR_Install_vector(
vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler ); vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler );

3
cpukit/rtems/src/intr.c
View File

@@ -58,6 +58,9 @@ rtems_status_code rtems_interrupt_catch(
if ( !_ISR_Is_valid_user_handler( (void *) new_isr_handler ) ) if ( !_ISR_Is_valid_user_handler( (void *) new_isr_handler ) )
return RTEMS_INVALID_ADDRESS; return RTEMS_INVALID_ADDRESS;
if ( !_ISR_Is_valid_user_handler( (void *) old_isr_handler ) )
return RTEMS_INVALID_ADDRESS;
_ISR_Install_vector( _ISR_Install_vector(
vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler ); vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler );