提交 ea46c8f7 编写于 作者: D Dan Carpenter 提交者: Linus Torvalds

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: NDan Carpenter <error27@gmail.com>
Acked-by: NJason Baron <jbaron@redhat.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 0fa05599
......@@ -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;
......
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