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authorGonglei <arei.gonglei@huawei.com>2014-11-25 12:38:19 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2014-11-26 12:11:27 +0100
commitf3b3766899fc0a79a175a5d29d0ff427327cd34a (patch)
treea419403bd9a8d2be3737bfaabffa5ba366864964 /hw
parentd1048bef9df0aacde9a54bf9b5b97a6e10950d8c (diff)
fw_cfg: fix boot order bug when dynamically modified via QOM
When we dynamically modify boot order, the length of boot order will be changed, but we don't update s->files->f[i].size with new length. This casuse seabios read a wrong vale of qemu cfg file about bootorder. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/nvram/fw_cfg.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index e7ed27e242..a7122ee56b 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -523,6 +523,7 @@ void *fw_cfg_modify_file(FWCfgState *s, const char *filename,
void *data, size_t len)
{
int i, index;
+ void *ptr = NULL;
assert(s->files);
@@ -531,8 +532,10 @@ void *fw_cfg_modify_file(FWCfgState *s, const char *filename,
for (i = 0; i < index; i++) {
if (strcmp(filename, s->files->f[i].name) == 0) {
- return fw_cfg_modify_bytes_read(s, FW_CFG_FILE_FIRST + i,
- data, len);
+ ptr = fw_cfg_modify_bytes_read(s, FW_CFG_FILE_FIRST + i,
+ data, len);
+ s->files->f[i].size = cpu_to_be32(len);
+ return ptr;
}
}
/* add new one */