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Added l4_restore_ipcregs() to all error return paths for stacked ipc calls

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This commit is contained in:
Bahadir Balban
2008-09-16 20:25:11 +03:00
parent a413b19842
commit ab67ee4cda
2 changed files with 27 additions and 26 deletions
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9
tasks/mm0/src/clone.c
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@@ -20,7 +20,7 @@
*/
int vfs_notify_fork(struct tcb *child, struct tcb *parent)
{
int err;
int err = 0;
printf("%s/%s\n", __TASKNAME__, __FUNCTION__);
@@ -34,17 +34,18 @@ int vfs_notify_fork(struct tcb *child, struct tcb *parent)
if ((err = l4_sendrecv(VFS_TID, VFS_TID,
L4_IPC_TAG_NOTIFY_FORK)) < 0) {
printf("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
return err;
goto out;
}
/* Check if syscall was successful */
if ((err = l4_get_retval()) < 0) {
printf("%s: Pager from VFS read error: %d.\n",
__FUNCTION__, err);
return err;
goto out;
}
l4_restore_ipcregs();
out:
l4_restore_ipcregs();
return err;
}