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From 2aca3ff63a5d5897cd32e0030569623f0c454f2c Mon Sep 17 00:00:00 2001
From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Date: Mon, 19 Sep 2022 21:59:55 +0300
Subject: [PATCH 7/8] xen-mapcache: Fix build on Arm
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
../hw/xen/xen-mapcache.c: In function ‘xen_map_grant_dyn’:
../hw/xen/xen-mapcache.c:668:9: error: ‘refs’ may be used uninitialized
in this function [-Werror=maybe-uninitialized]
668 | g_free(refs);
| ^~~~~~~~~~~~
cc1: all warnings being treated as errors
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Acked-by: Stefano Stabellini <stefano.stabellini@amd.com>
---
hw/xen/xen-mapcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c
index f81b75d216..6544e331e0 100644
--- a/hw/xen/xen-mapcache.c
+++ b/hw/xen/xen-mapcache.c
@@ -620,7 +620,7 @@ static void *xen_map_grant_dyn(MemoryRegion **mr, hwaddr addr, hwaddr *plen,
unsigned int i;
unsigned int nrefs = (page_off + *plen + XC_PAGE_SIZE - 1) >> XC_PAGE_SHIFT;
uint32_t ref = (addr - XEN_GRANT_ADDR_OFF) >> XC_PAGE_SHIFT;
- uint32_t *refs;
+ uint32_t *refs = NULL;
unsigned int prot = PROT_READ;
struct XENMappedGrantRegion *mgr = NULL;
--
2.25.1
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