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authorMarc-André Lureau <marcandre.lureau@gmail.com>2013-12-01 22:23:46 +0100
committerGerd Hoffmann <kraxel@redhat.com>2013-12-16 10:12:20 +0100
commitb1b27b64262fdace45e5ab134c4438338076cb98 (patch)
tree2f71e9ac5a4e08a3e1ae535d11531744cee94048 /block/nbd-client.c
parent69152c09d337a8e1368e65bcd5a598def6c3079f (diff)
downloadqemu-b1b27b64262fdace45e5ab134c4438338076cb98.tar.gz
nbd: avoid uninitialized warnings
==15815== Thread 1: ==15815== Syscall param socketcall.sendto(msg) points to uninitialised byte(s) ==15815== at 0x65AD5CB: send (send.c:31) ==15815== by 0x37F84B: nbd_wr_sync (nbd.c:145) ==15815== by 0x37F94B: write_sync (nbd.c:186) ==15815== by 0x380FA9: nbd_send_request (nbd.c:681) ==15815== by 0x1C4A2D: nbd_teardown_connection (nbd-client.c:337) ==15815== by 0x1C4AD8: nbd_client_session_close (nbd-client.c:354) ==15815== by 0x1ED2D8: close_socketpair (spicebd.c:132) ==15815== by 0x1EE265: spice_close (spicebd.c:457) ==15815== by 0x1ACBF6: bdrv_close (block.c:1519) ==15815== by 0x1AD804: bdrv_delete (block.c:1772) ==15815== by 0x1B4136: bdrv_unref (block.c:4476) ==15815== by 0x1ACCE0: bdrv_close (block.c:1541) ==15815== Address 0x7feffef98 is on thread 1's stack Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'block/nbd-client.c')
-rw-r--r--block/nbd-client.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c
index 1973cf0dfe..0922b78292 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -185,11 +185,10 @@ static int nbd_co_readv_1(NbdClientSession *client, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov,
int offset)
{
- struct nbd_request request;
+ struct nbd_request request = { .type = NBD_CMD_READ };
struct nbd_reply reply;
ssize_t ret;
- request.type = NBD_CMD_READ;
request.from = sector_num * 512;
request.len = nb_sectors * 512;
@@ -209,11 +208,10 @@ static int nbd_co_writev_1(NbdClientSession *client, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov,
int offset)
{
- struct nbd_request request;
+ struct nbd_request request = { .type = NBD_CMD_WRITE };
struct nbd_reply reply;
ssize_t ret;
- request.type = NBD_CMD_WRITE;
if (!bdrv_enable_write_cache(client->bs) &&
(client->nbdflags & NBD_FLAG_SEND_FUA)) {
request.type |= NBD_CMD_FLAG_FUA;
@@ -275,7 +273,7 @@ int nbd_client_session_co_writev(NbdClientSession *client, int64_t sector_num,
int nbd_client_session_co_flush(NbdClientSession *client)
{
- struct nbd_request request;
+ struct nbd_request request = { .type = NBD_CMD_FLUSH };
struct nbd_reply reply;
ssize_t ret;
@@ -283,7 +281,6 @@ int nbd_client_session_co_flush(NbdClientSession *client)
return 0;
}
- request.type = NBD_CMD_FLUSH;
if (client->nbdflags & NBD_FLAG_SEND_FUA) {
request.type |= NBD_CMD_FLAG_FUA;
}
@@ -305,14 +302,13 @@ int nbd_client_session_co_flush(NbdClientSession *client)
int nbd_client_session_co_discard(NbdClientSession *client, int64_t sector_num,
int nb_sectors)
{
- struct nbd_request request;
+ struct nbd_request request = { .type = NBD_CMD_TRIM };
struct nbd_reply reply;
ssize_t ret;
if (!(client->nbdflags & NBD_FLAG_SEND_TRIM)) {
return 0;
}
- request.type = NBD_CMD_TRIM;
request.from = sector_num * 512;
request.len = nb_sectors * 512;
@@ -330,11 +326,12 @@ int nbd_client_session_co_discard(NbdClientSession *client, int64_t sector_num,
static void nbd_teardown_connection(NbdClientSession *client)
{
- struct nbd_request request;
+ struct nbd_request request = {
+ .type = NBD_CMD_DISC,
+ .from = 0,
+ .len = 0
+ };
- request.type = NBD_CMD_DISC;
- request.from = 0;
- request.len = 0;
nbd_send_request(client->sock, &request);
/* finish any pending coroutines */