Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b385a144ee790f00e8559bcb8024d042863f9be1
Commit: b385a144ee790f00e8559bcb8024d042863f9be1
Parent: 521dae191e5ba9362152da9fd3a12203e087df83
Author: Robert P. J. Day <[EMAIL PROTECTED]>
AuthorDate: Sat Feb 10 01:46:25 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Sun Feb 11 11:18:06 2007 -0800
[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 <[EMAIL PROTECTED]>
Acked-by: Paul Mackerras <[EMAIL PROTECTED]>
Cc: "David S. Miller" <[EMAIL PROTECTED]>
Cc: Martin Schwidefsky <[EMAIL PROTECTED]>
Cc: Stephen Smalley <[EMAIL PROTECTED]>
Cc: James Morris <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/net/ppp_generic.c | 2 +-
drivers/s390/net/lcs.c | 6 ++----
drivers/video/sa1100fb.h | 4 +---
include/linux/security.h | 2 +-
security/selinux/hooks.c | 2 +-
5 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index c6de566..0986f6c 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)
diff --git a/include/linux/security.h b/include/linux/security.h
index 83cdefa..c554f60 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -492,7 +492,7 @@ struct request_sock;
* Note that the fown_struct, @fown, is never outside the context of a
* struct file, so the file structure (and associated security information)
* can always be obtained:
- * (struct file *)((long)fown - offsetof(struct file,f_owner));
+ * container_of(fown, struct file, f_owner)
* @tsk contains the structure of task receiving signal.
* @fown contains the file owner information.
* @sig is the signal that will be sent. When 0, kernel sends SIGIO.
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 9eeab82..35eb8de 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2654,7 +2654,7 @@ static int selinux_file_send_sigiotask(struct task_struct
*tsk,
struct file_security_struct *fsec;
/* struct fown_struct is never outside the context of a struct file */
- file = (struct file *)((long)fown - offsetof(struct file,f_owner));
+ file = container_of(fown, struct file, f_owner);
tsec = tsk->security;
fsec = file->f_security;
-
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