diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-07-04 12:26:05 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-07-04 12:26:05 +0200 |
| commit | 8658be133baa92c06b6d832a436d437deb2e2a22 (patch) | |
| tree | 8f798f4aae5892533831487e4838a85b95414a0f /kernel/trace/trace_printk.c | |
| parent | 4030103b9b2e060512f8292bb62582adfd02ebe8 (diff) | |
| parent | 5e385a6ef31fbbf2acbda770aecc2bc2ff933d17 (diff) | |
Merge branch 'irq/for-block' into irq/core
Pull the irq affinity managing code which is in a seperate branch for block
developers to pull.
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; } |