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author | Bjorn Helgaas <bhelgaas@google.com> | 2016-08-01 12:34:01 -0500 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-08-01 12:34:01 -0500 |
commit | 9454c23852ca6d7aec89fd6fd46a046c323caac3 (patch) | |
tree | 794be65345027b5adea3720a43124fee338333a5 /kernel/trace/trace_printk.c | |
parent | a04bee8285a71cdbb9076c3dc38be1f0b9a6b4b3 (diff) | |
parent | 4ef33685aa0957d771e068b60a5f3ca6b47ade1c (diff) | |
download | blackbird-op-linux-9454c23852ca6d7aec89fd6fd46a046c323caac3.tar.gz blackbird-op-linux-9454c23852ca6d7aec89fd6fd46a046c323caac3.zip |
Merge branch 'pci/msi-affinity' into next
Conflicts:
drivers/nvme/host/pci.c
Diffstat (limited to 'kernel/trace/trace_printk.c')
-rw-r--r-- | kernel/trace/trace_printk.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c index f96f0383f6c6..ad1d6164e946 100644 --- a/kernel/trace/trace_printk.c +++ b/kernel/trace/trace_printk.c @@ -36,6 +36,10 @@ struct trace_bprintk_fmt { static inline struct trace_bprintk_fmt *lookup_format(const char *fmt) { struct trace_bprintk_fmt *pos; + + if (!fmt) + return ERR_PTR(-EINVAL); + list_for_each_entry(pos, &trace_bprintk_fmt_list, list) { if (!strcmp(pos->fmt, fmt)) return pos; @@ -57,7 +61,8 @@ void hold_module_trace_bprintk_format(const char **start, const char **end) for (iter = start; iter < end; iter++) { struct trace_bprintk_fmt *tb_fmt = lookup_format(*iter); if (tb_fmt) { - *iter = tb_fmt->fmt; + if (!IS_ERR(tb_fmt)) + *iter = tb_fmt->fmt; continue; } |