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authorRobert P. J. Day <rpjday@mindspring.com>2007-02-10 01:46:25 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 11:18:06 -0800
commitb385a144ee790f00e8559bcb8024d042863f9be1 (patch)
treec2f2df78805fe8eff006716cee7b8fa8010d3b62 /drivers
parent521dae191e5ba9362152da9fd3a12203e087df83 (diff)
downloadop-kernel-dev-b385a144ee790f00e8559bcb8024d042863f9be1.zip
op-kernel-dev-b385a144ee790f00e8559bcb8024d042863f9be1.tar.gz
[PATCH] Replace regular code with appropriate calls to container_of()
Replace a small number of expressions with a call to the "container_of()" macro. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Acked-by: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ppp_generic.c2
-rw-r--r--drivers/s390/net/lcs.c6
-rw-r--r--drivers/video/sa1100fb.h4
3 files changed, 4 insertions, 8 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index c6de566..0986f6c84 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -83,7 +83,7 @@ struct ppp_file {
int dead; /* unit/channel has been shut down */
};
-#define PF_TO_X(pf, X) ((X *)((char *)(pf) - offsetof(X, file)))
+#define PF_TO_X(pf, X) container_of(pf, X, file)
#define PF_TO_PPP(pf) PF_TO_X(pf, struct ppp)
#define PF_TO_CHANNEL(pf) PF_TO_X(pf, struct channel)
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index b97dd15..ecca104 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 ||
diff --git a/drivers/video/sa1100fb.h b/drivers/video/sa1100fb.h
index 0b07f6a..48066ef 100644
--- a/drivers/video/sa1100fb.h
+++ b/drivers/video/sa1100fb.h
@@ -110,9 +110,7 @@ struct sa1100fb_info {
#endif
};
-#define __type_entry(ptr,type,member) ((type *)((char *)(ptr)-offsetof(type,member)))
-
-#define TO_INF(ptr,member) __type_entry(ptr,struct sa1100fb_info,member)
+#define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member)
#define SA1100_PALETTE_MODE_VAL(bpp) (((bpp) & 0x018) << 9)
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