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[Qemu-trivial] [PATCH] mmap(2) returns MAP_FAILED, not NULL, on failure
From: |
Michael McConville |
Subject: |
[Qemu-trivial] [PATCH] mmap(2) returns MAP_FAILED, not NULL, on failure |
Date: |
Fri, 1 Dec 2017 11:31:57 -0700 |
Signed-off-by: Michael McConville <address@hidden>
---
hw/i386/xen/xen-mapcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/xen/xen-mapcache.c b/hw/i386/xen/xen-mapcache.c
index baab93b614..efa35dc6e0 100644
--- a/hw/i386/xen/xen-mapcache.c
+++ b/hw/i386/xen/xen-mapcache.c
@@ -199,7 +199,7 @@ static void xen_remap_bucket(MapCacheEntry *entry,
*/
vaddr_base = mmap(vaddr, size, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_SHARED, -1, 0);
- if (vaddr_base == NULL) {
+ if (vaddr_base == MAP_FAILED) {
perror("mmap");
exit(-1);
}
--
2.15.1
- [Qemu-trivial] [PATCH] mmap(2) returns MAP_FAILED, not NULL, on failure,
Michael McConville <=