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| author | Joel Stanley <joel@jms.id.au> | 2016-08-04 13:24:41 +0930 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2016-08-04 13:24:41 +0930 |
| commit | b916113d820adc856aad6b8ebc1a25403ff7f293 (patch) | |
| tree | abddf239d912c4868faf9fbc69c67d980f74c7df /kernel/trace/trace_printk.c | |
| parent | 2e4db6c6be91ade074c1a150a6db2aeb4920e25c (diff) | |
| parent | b05965f284db3e086022f4e318e46cb5bffb1376 (diff) | |
| download | talos-obmc-linux-openbmc-4.4-20160804-1.tar.gz talos-obmc-linux-openbmc-4.4-20160804-1.zip | |
Merge tag 'v4.4.16' into dev-4.4openbmc-4.4-20160804-1
This is the 4.4.16 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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; } |
