drbd: _drbd_send_cmd(): Return 0 upon success and an error code otherwise
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index ff0085b..2177915 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -827,7 +827,7 @@
if (apv >= 89)
strcpy(p->csums_alg, mdev->tconn->net_conf->csums_alg);
- rv = _drbd_send_cmd(mdev, sock, cmd, &p->head, size, 0);
+ rv = !_drbd_send_cmd(mdev, sock, cmd, &p->head, size, 0);
} else
rv = 0; /* not ok */
@@ -995,9 +995,8 @@
p.state = cpu_to_be32(mdev->state.i); /* Within the send mutex */
sock = mdev->tconn->data.socket;
- if (likely(sock != NULL)) {
- ok = _drbd_send_cmd(mdev, sock, P_STATE, &p.head, sizeof(p), 0);
- }
+ if (likely(sock != NULL))
+ ok = !_drbd_send_cmd(mdev, sock, P_STATE, &p.head, sizeof(p), 0);
mutex_unlock(&mdev->tconn->data.mutex);
@@ -1150,8 +1149,8 @@
if (len) {
DCBP_set_code(p, RLE_VLI_Bits);
- ok = _drbd_send_cmd(mdev, mdev->tconn->data.socket, P_COMPRESSED_BITMAP, h,
- sizeof(*p) + len, 0);
+ ok = !_drbd_send_cmd(mdev, mdev->tconn->data.socket, P_COMPRESSED_BITMAP, h,
+ sizeof(*p) + len, 0);
c->packets[0]++;
c->bytes[0] += sizeof(*p) + len;
@@ -1165,8 +1164,8 @@
len = num_words * sizeof(long);
if (len)
drbd_bm_get_lel(mdev, c->word_offset, num_words, (unsigned long*)h->payload);
- ok = _drbd_send_cmd(mdev, mdev->tconn->data.socket, P_BITMAP,
- h, sizeof(struct p_header80) + len, 0);
+ ok = !_drbd_send_cmd(mdev, mdev->tconn->data.socket, P_BITMAP,
+ h, sizeof(struct p_header80) + len, 0);
c->word_offset += num_words;
c->bit_offset = c->word_offset * BITS_PER_LONG;