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[Qemu-devel] [PULL 1/3] xen: fix usage of ENODATA
From: |
Stefano Stabellini |
Subject: |
[Qemu-devel] [PULL 1/3] xen: fix usage of ENODATA |
Date: |
Fri, 1 Aug 2014 17:01:11 +0100 |
From: Roger Pau Monne <address@hidden>
ENODATA doesn't exist on FreeBSD, so ENODATA errors returned by the
hypervisor are translated to ENOENT.
Also, the error code is returned in errno if the call returns -1, so
compare the error code with the value in errno instead of the value
returned by the function.
Signed-off-by: Roger Pau Monné <address@hidden>
Signed-off-by: Stefano Stabellini <address@hidden>
Cc: address@hidden
Cc: Stefano Stabellini <address@hidden>
Cc: Anthony Perard <address@hidden>
---
xen-hvm.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/xen-hvm.c b/xen-hvm.c
index a2486cf..91de2e2 100644
--- a/xen-hvm.c
+++ b/xen-hvm.c
@@ -513,11 +513,14 @@ static void xen_sync_dirty_bitmap(XenIOState *state,
start_addr >> TARGET_PAGE_BITS, npages,
bitmap);
if (rc < 0) {
- if (rc != -ENODATA) {
+#ifndef ENODATA
+#define ENODATA ENOENT
+#endif
+ if (errno == ENODATA) {
memory_region_set_dirty(framebuffer, 0, size);
DPRINTF("xen: track_dirty_vram failed (0x" TARGET_FMT_plx
", 0x" TARGET_FMT_plx "): %s\n",
- start_addr, start_addr + size, strerror(-rc));
+ start_addr, start_addr + size, strerror(errno));
}
return;
}
--
1.7.10.4