diff options
| -rw-r--r-- | drivers/net/ppp_generic.c | 2 | ||||
| -rw-r--r-- | drivers/s390/net/lcs.c | 6 | ||||
| -rw-r--r-- | drivers/video/sa1100fb.h | 4 | ||||
| -rw-r--r-- | include/linux/security.h | 2 | ||||
| -rw-r--r-- | 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 c6de566188e4..0986f6c843e6 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 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 || diff --git a/drivers/video/sa1100fb.h b/drivers/video/sa1100fb.h index 0b07f6ae3367..48066ef3af05 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 83cdefae9931..c554f60f18e4 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 9eeab82719a2..35eb8de892fc 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; |