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kexec: fix sys/random.h with uclibc 

Fixes: http://autobuild.buildroot.net/results/b5a/b5a46cc164cb0fe6bf37dacb917b3664d2710a4a

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
2023.05.x
Laurent Vivier 2023-05-07 18:53:36 +02:00 committed by Arnout Vandecappelle
parent 579f5a9782
commit d2c1d8dfb5
1 changed files with 36 additions and 0 deletions
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36
package/kexec/0001-m68k-fix-getrandom-use-with-uclibc.patch 100644
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@ -0,0 +1,36 @@
From 491439a5c55b18dce96b522f3a603faaf1908ede Mon Sep 17 00:00:00 2001
From: Laurent Vivier <laurent@vivier.eu>
Date: Fri, 21 Apr 2023 18:22:07 +0200
Subject: [PATCH] m68k: fix getrandom() use with uclibc
With uclibc, getrandom() is only defined with _GNU_SOURCE, fix that:
kexec/arch/m68k/bootinfo.c: In function 'bootinfo_add_rng_seed':
kexec/arch/m68k/bootinfo.c:231:13: warning: implicit declaration of function 'getrandom'; did you mean 'srandom'? [-Wimplicit-function-declaration]
231 | if (getrandom(bi->rng_seed.data, RNG_SEED_LEN, GRND_NONBLOCK) != RNG_SEED_LEN) {
| ^~~~~~~~~
| srandom
kexec/arch/m68k/bootinfo.c:231:56: error: 'GRND_NONBLOCK' undeclared (first use in this function)
231 | if (getrandom(bi->rng_seed.data, RNG_SEED_LEN, GRND_NONBLOCK) != RNG_SEED_LEN) {
| ^~~~~~~~~~~~~
Fixes: b9de05184816 ("m68k: pass rng seed via BI_RNG_SEED")
Upstream: https://lore.kernel.org/kexec/20230422095904.1303434-1-laurent@vivier.eu/
Cc: Jason@zx2c4.com
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
kexec/arch/m68k/bootinfo.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kexec/arch/m68k/bootinfo.c b/kexec/arch/m68k/bootinfo.c
index 086a34bdfdeb..5afd212d9d34 100644
--- a/kexec/arch/m68k/bootinfo.c
+++ b/kexec/arch/m68k/bootinfo.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
--
2.40.0