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Call the chained module handler before unregistering the syscall so that

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errors can be detected.

Submitted by: "A.Yu.Isupov" <isupov@moonhe.jinr.ru>
PR:	      kern/12239
This commit is contained in:
Doug Rabson 1999-06-27 09:38:44 +00:00
parent b52ab6b545
commit c049aba8c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=48269
1 changed files with 12 additions and 5 deletions
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17
sys/kern/kern_syscalls.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kern_syscalls.c,v 1.2 1999/01/09 14:59:50 dfr Exp $
* $Id: kern_syscalls.c,v 1.3 1999/01/17 18:58:04 peter Exp $
*/
#include <sys/param.h>
@ -95,13 +95,20 @@ syscall_module_handler(struct module *mod, int what, void *arg)
return error;
ms.intval = *data->offset;
module_setspecific(mod, &ms);
break;
if (data->chainevh)
error = data->chainevh(mod, what, data->chainarg);
return error;
case MOD_UNLOAD :
if (data->chainevh) {
error = data->chainevh(mod, what, data->chainarg);
if (error)
return error;
}
error = syscall_deregister(data->offset, &data->old_sysent);
if (error)
return error;
break;
return error;
}
if (data->chainevh)
return data->chainevh(mod, what, data->chainarg);
else