trace/probes: Remove kernel doc style from non kernel doc comment

[linux.git] / kernel / trace / trace_stack.c

diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 2b0d1ee3241cb515e441e88389ed1da459cc2c15..eec648a0d673bed8d8ccc9ff2491ba71d7710871 100644 (file)
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -286,7 +286,7 @@ __next(struct seq_file *m, loff_t *pos)
 {
        long n = *pos - 1;
 
-       if (n > stack_trace_max.nr_entries || stack_dump_trace[n] == ULONG_MAX)
+       if (n >= stack_trace_max.nr_entries || stack_dump_trace[n] == ULONG_MAX)
                return NULL;
 
        m->private = (void *)n;
@@ -448,8 +448,10 @@ static char stack_trace_filter_buf[COMMAND_LINE_SIZE+1] __initdata;
 
 static __init int enable_stacktrace(char *str)
 {
-       if (strncmp(str, "_filter=", 8) == 0)
-               strncpy(stack_trace_filter_buf, str+8, COMMAND_LINE_SIZE);
+       int len;
+
+       if ((len = str_has_prefix(str, "_filter=")))
+               strncpy(stack_trace_filter_buf, str + len, COMMAND_LINE_SIZE);
 
        stack_tracer_enabled = 1;
        last_stack_tracer_enabled = 1;