joel16/android_kernel_sony_msm8994_rework
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uml: Replace one-element array with zero-element array

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To look at users I did:
$ find arch/um/ include/asm-um -name '*.[ch]'|xargs grep -r 'net_kern\.h'
+-l|xargs grep '\<user\>'

Most users just cast user to the appropriate pointer, the remaining ones are
fixed here.  In net_kern.c, I'm almost sure that save trick is not needed
anymore, but I've not verified it.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Paolo 'Blaisorblade' Giarrusso 2007-05-06 14:51:15 -07:00 committed by Linus Torvalds
parent 8c8408358f
commit c74c69b442
2 changed files with 4 additions and 12 deletions
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14
arch/um/drivers/net_kern.c
View File

@ -347,10 +347,9 @@ static void eth_configure(int n, void *init, char *mac,
struct uml_net *device;
struct net_device *dev;
struct uml_net_private *lp;
int save, err, size;
int err, size;
size = transport->private_size + sizeof(struct uml_net_private) +
sizeof(((struct uml_net_private *) 0)->user);
size = transport->private_size + sizeof(struct uml_net_private);
device = kzalloc(sizeof(*device), GFP_KERNEL);
if (device == NULL) {
@ -409,12 +408,6 @@ static void eth_configure(int n, void *init, char *mac,
*/
(*transport->kern->init)(dev, init);
/* lp.user is the first four bytes of the transport data, which
* has already been initialized. This structure assignment will
* overwrite that, so we make sure that .user gets overwritten with
* what it already has.
*/
save = lp->user[0];
*lp = ((struct uml_net_private)
{ .list = LIST_HEAD_INIT(lp->list),
.dev = dev,
@ -428,8 +421,7 @@ static void eth_configure(int n, void *init, char *mac,
.write = transport->kern->write,
.add_address = transport->user->add_address,
.delete_address = transport->user->delete_address,
.set_mtu = transport->user->set_mtu,
.user = { save } });
.set_mtu = transport->user->set_mtu });
init_timer(&lp->tl);
spin_lock_init(&lp->lock);

2
arch/um/include/net_kern.h
View File

@ -40,7 +40,7 @@ struct uml_net_private {
void (*add_address)(unsigned char *, unsigned char *, void *);
void (*delete_address)(unsigned char *, unsigned char *, void *);
int (*set_mtu)(int mtu, void *);
int user[1];
char user[0];
};
struct net_kern_info {