qemu/ipxe-zbin-Fix-size-used-for-memset-in-al.patch
2013-09-13 21:59:15 +00:00

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From eb5a2ba5962579e514b377f5fdab7292be0fb2a7 Mon Sep 17 00:00:00 2001
From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Tue, 5 Mar 2013 15:18:20 +0000
Subject: [PATCH] [zbin] Fix size used for memset in alloc_output_file
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The output->buf field is a pointer, not an array, so sizeof() is not
applicable. We must use the allocated string length instead.
Identified by gcc:
util/zbin.c: In function alloc_output_file:
util/zbin.c:146:37: warning: argument to sizeof in memset call
is the same expression as the destination; did you mean to
dereference it? [-Wsizeof-pointer-memaccess]
memset ( output->buf, 0xff, sizeof ( output->buf ) );
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
src/util/zbin.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/roms/ipxe/src/util/zbin.c b/roms/ipxe/src/util/zbin.c
index 0dabaf1..3b7cf95 100644
--- a/roms/ipxe/src/util/zbin.c
+++ b/roms/ipxe/src/util/zbin.c
@@ -143,7 +143,7 @@ static int alloc_output_file ( size_t max_len, struct output_file *output ) {
max_len );
return -1;
}
- memset ( output->buf, 0xff, sizeof ( output->buf ) );
+ memset ( output->buf, 0xff, max_len );
return 0;
}
--
1.7.7