netdev - [PATCH iproute2-next v2] dcb: Fix compilation warning about reallocarray

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Message-ID: <20210222121030.2109-1-roid@nvidia.com>
Date:   Mon, 22 Feb 2021 14:10:30 +0200
From:   Roi Dayan <roid@...dia.com>
To:     <netdev@...r.kernel.org>
CC:     Roi Dayan <roid@...dia.com>, Petr Machata <petrm@...dia.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2-next v2] dcb: Fix compilation warning about reallocarray

In older distros we need bsd/stdlib.h but newer distro doesn't
need it. Also old distro will need libbsd-devel installed and newer
doesn't. To remove a possible dependency on libbsd-devel replace usage
of reallocarray to realloc.

dcb_app.c: In function ‘dcb_app_table_push’:
dcb_app.c:68:25: warning: implicit declaration of function ‘reallocarray’; did you mean ‘realloc’?

Fixes: 8e9bed1493f5 ("dcb: Add a subtool for the DCB APP object")
Signed-off-by: Roi Dayan <roid@...dia.com>
---

Notes:
    v2
    - tag for iproute next
    - replace reallocarray with realloc instead of messing with libbsd

 dcb/dcb_app.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dcb/dcb_app.c b/dcb/dcb_app.c
index 7ce80f85072b..c4816bc2997f 100644
--- a/dcb/dcb_app.c
+++ b/dcb/dcb_app.c
@@ -65,8 +65,7 @@ static void dcb_app_table_fini(struct dcb_app_table *tab)
 
 static int dcb_app_table_push(struct dcb_app_table *tab, struct dcb_app *app)
 {
-	struct dcb_app *apps = reallocarray(tab->apps, tab->n_apps + 1,
-					    sizeof(*tab->apps));
+	struct dcb_app *apps = realloc(tab->apps, (tab->n_apps + 1) * sizeof(*tab->apps));
 
 	if (apps == NULL) {
 		perror("Cannot allocate APP table");
-- 
2.8.0