From: Thomas Weißschuh <thomas@t-8ch.de>
Date: Mon, 17 Jul 2023 20:46:04 +0000 (+0200)
Subject: lsfd: avoid passing NULL to qsort()
X-Git-Tag: v2.40-rc1~327^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=baef265925b2745d0ff8cfd5c8f77de89b0b87fb;p=thirdparty%2Futil-linux.git

lsfd: avoid passing NULL to qsort()

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---

diff --git a/misc-utils/lsfd-unkn.c b/misc-utils/lsfd-unkn.c
index 83367d3ce3..462f44e907 100644
--- a/misc-utils/lsfd-unkn.c
+++ b/misc-utils/lsfd-unkn.c
@@ -497,11 +497,12 @@ static int intcmp(const void *a, const void *b)
 static void anon_eventpoll_attach_xinfo(struct unkn *unkn)
 {
 	struct anon_eventpoll_data *data = (struct anon_eventpoll_data *)unkn->anon_data;
-	qsort(data->tfds, data->count, sizeof(data->tfds[0]),
-	      intcmp);
-	if (data->count > 0)
+	if (data->count > 0) {
+		qsort(data->tfds, data->count, sizeof(data->tfds[0]),
+		      intcmp);
 		list_add_tail(&data->siblings,
 			      &unkn->file.proc->eventpolls);
+	}
 }
 
 static char *anon_eventpoll_make_tfds_string(struct anon_eventpoll_data *data,