Module: xenomai-jki
Branch: for-forge
Commit: fdc9e579e580b57ef899bbdc39f798a8c7a97ac8
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=fdc9e579e580b57ef899bbdc39f798a8c7a97ac8
Author: Jan Kiszka <jan.kis...@siemens.com>
Date: Wed Aug 28 18:03:15 2013 +0200
cobalt/shadow: Fix use after release
post_ppd_release, called by xnheap_destroy_mapped, will release the
xnsys_ppd we are accessing later on for freeing exe_path. Reorder things
properly.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
kernel/cobalt/shadow.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/cobalt/shadow.c b/kernel/cobalt/shadow.c
index fd3220f..8977bee 100644
--- a/kernel/cobalt/shadow.c
+++ b/kernel/cobalt/shadow.c
@@ -1700,11 +1700,10 @@ static void user_process_detach(struct xnshadow_ppd
*ppd)
struct xnsys_ppd *p;
p = container_of(ppd, struct xnsys_ppd, ppd);
- xnheap_destroy_mapped(&p->sem_heap, post_ppd_release, NULL);
- atomic_dec(&personalities[user_muxid]->refcnt);
-
if (p->exe_path)
kfree(p->exe_path);
+ xnheap_destroy_mapped(&p->sem_heap, post_ppd_release, NULL);
+ atomic_dec(&personalities[user_muxid]->refcnt);
}
static struct xnsyscall user_syscalls[] = {
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