Commit 442e544c authored by Ingo Molnar's avatar Ingo Molnar Committed by Thomas Gleixner

ftrace: iter ctrl fix

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent d9af56fb
...@@ -1920,6 +1920,11 @@ tracing_iter_ctrl_write(struct file *filp, const char __user *ubuf, ...@@ -1920,6 +1920,11 @@ tracing_iter_ctrl_write(struct file *filp, const char __user *ubuf,
break; break;
} }
} }
/*
* If no option could be set, return an error:
*/
if (!trace_options[i])
return -EINVAL;
filp->f_pos += cnt; filp->f_pos += cnt;
......
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