1From 4673bf0d6a0eba5d363266a40cfb087e08a66e7f Mon Sep 17 00:00:00 2001
 2From: Michael Forney <mforney@mforney.org>
 3Date: Thu, 30 Jan 2020 21:57:34 -0800
 4Subject: [PATCH] Use alloca when VLAs aren't available
 5
 6---
 7 src/evdev.c | 6 +++++-
 8 1 file changed, 5 insertions(+), 1 deletion(-)
 9
10diff --git a/src/evdev.c b/src/evdev.c
11index 81dd951cb..74a765469 100644
12--- a/src/evdev.c
13+++ b/src/evdev.c
14@@ -164,9 +164,13 @@ decode_bitset(struct tcb *const tcp, const kernel_ulong_t arg,
15 		return RVAL_IOCTL_DECODED;
16 	}
17 
18+#ifndef __STDC_NO_VLA__
19 	char decoded_arg[size];
20+#else
21+	char *decoded_arg = alloca(size);
22+#endif
23 
24-	if (umove_or_printaddr(tcp, arg, &decoded_arg))
25+	if (umoven_or_printaddr(tcp, arg, size, decoded_arg))
26 		return RVAL_IOCTL_DECODED;
27 
28 	if (xlat_verbose(xlat_verbosity) != XLAT_STYLE_RAW) {
29-- 
302.34.1
31