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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-10 12:24:26 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-10 12:24:26 +0900 |
| commit | cc03f9bc2650634ce5ec0233f5ee12e6b67f74c6 (patch) | |
| tree | fc9726003631b9ed9da7fc73db53ed47317198cf /arch/s390/kernel/ftrace.c | |
| parent | d48037f9169f653d1124eb75157293d875e7e57f (diff) | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
| download | op-kernel-dev-cc03f9bc2650634ce5ec0233f5ee12e6b67f74c6.zip op-kernel-dev-cc03f9bc2650634ce5ec0233f5ee12e6b67f74c6.tar.gz | |
Merge 3.18-rc4 into staging-next
We want the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/kernel/ftrace.c')
| -rw-r--r-- | arch/s390/kernel/ftrace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 51d14fe5..ca1cabb 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -121,6 +121,8 @@ unsigned long __kprobes prepare_ftrace_return(unsigned long parent, { struct ftrace_graph_ent trace; + if (unlikely(ftrace_graph_is_dead())) + goto out; if (unlikely(atomic_read(¤t->tracing_graph_pause))) goto out; ip = (ip & PSW_ADDR_INSN) - MCOUNT_INSN_SIZE; |
