dynamic_debug: small cleanup in ddebug_proc_write()

This doesn't change behavior at all. In the original code, if nwords was zero then ddebug_parse_query() would return -EINVAL, now we just do it earlier. Signed-off-by: Dan Carpenter <[email protected]> Acked-by: Jason Baron <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
ambv · May 25, 2010 · ea46c8f · ea46c8f
1 parent 0fa0559
commit ea46c8f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
@@ -456,7 +456,7 @@ static ssize_t ddebug_proc_write(struct file *file, const char __user *ubuf,
 			__func__, (int)len);
 
 	nwords = ddebug_tokenize(tmpbuf, words, MAXWORDS);
-	if (nwords < 0)
+	if (nwords <= 0)
 		return -EINVAL;
 	if (ddebug_parse_query(words, nwords-1, &query))
 		return -EINVAL;