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path: root/drivers/s390/net/lcs.c
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Diffstat (limited to 'drivers/s390/net/lcs.c')
-rw-r--r--drivers/s390/net/lcs.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index b97dd15bdb9a..ecca1046714e 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1511,8 +1511,7 @@ lcs_txbuffer_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
LCS_DBF_TEXT(5, trace, "txbuffcb");
/* Put buffer back to pool. */
lcs_release_buffer(channel, buffer);
- card = (struct lcs_card *)
- ((char *) channel - offsetof(struct lcs_card, write));
+ card = container_of(channel, struct lcs_card, write);
if (netif_queue_stopped(card->dev) && netif_carrier_ok(card->dev))
netif_wake_queue(card->dev);
spin_lock(&card->lock);
@@ -1810,8 +1809,7 @@ lcs_get_frames_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
LCS_DBF_TEXT(4, trace, "-eiogpkt");
return;
}
- card = (struct lcs_card *)
- ((char *) channel - offsetof(struct lcs_card, read));
+ card = container_of(channel, struct lcs_card, read);
offset = 0;
while (lcs_hdr->offset != 0) {
if (lcs_hdr->offset <= 0 ||
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