Author: dchagin
Date: Sun Jan 10 07:36:43 2016
New Revision: 293627
URL: https://svnweb.freebsd.org/changeset/base/293627
Log:
Unlock process lock when return error from getrobustlist call and add
an forgotten dtrace probe when return the same error.
MFC after: 3 days
XMFC with: r292743
Modified:
head/sys/compat/linux/linux_futex.c
Modified: head/sys/compat/linux/linux_futex.c
==============================================================================
--- head/sys/compat/linux/linux_futex.c Sun Jan 10 06:43:43 2016
(r293626)
+++ head/sys/compat/linux/linux_futex.c Sun Jan 10 07:36:43 2016
(r293627)
@@ -1099,8 +1099,12 @@ linux_get_robust_list(struct thread *td,
ESRCH);
return (ESRCH);
}
- if (SV_PROC_ABI(td2->td_proc) != SV_ABI_LINUX)
+ if (SV_PROC_ABI(td2->td_proc) != SV_ABI_LINUX) {
+ LIN_SDT_PROBE1(futex, linux_get_robust_list, return,
+ EPERM);
+ PROC_UNLOCK(td2->td_proc);
return (EPERM);
+ }
em = em_find(td2);
KASSERT(em != NULL, ("get_robust_list: emuldata notfound.\n"));
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