diff options
| author | Michal Nazarewicz <m.nazarewicz@samsung.com> | 2010-06-16 12:07:56 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 14:35:36 -0700 |
| commit | 26eca10e6ef64e15f250523a1e7e94ad40ac2bf8 (patch) | |
| tree | 516237887aaaa58604b02cc6db7bc43967935858 /drivers/usb/gadget | |
| parent | 3b759c75febd8f9ce91a05705ec43eb7f4b5ed3d (diff) | |
USB: gadget: g_mass_storage: static data instead of dynamic allocation
This patch changes msg_do_config() function so that it uses
a static object for a fsg_common structure instead of dynamically
allocated. This is a micro-optimisation.
Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/mass_storage.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c index 705cc1f7632..e68c00e0876 100644 --- a/drivers/usb/gadget/mass_storage.c +++ b/drivers/usb/gadget/mass_storage.c @@ -143,7 +143,9 @@ static int msg_thread_exits(struct fsg_common *common) static int __init msg_do_config(struct usb_configuration *c) { - struct fsg_common *common; + static struct fsg_common common; + + struct fsg_common *retp; struct fsg_config config; int ret; @@ -154,12 +156,13 @@ static int __init msg_do_config(struct usb_configuration *c) fsg_config_from_params(&config, &mod_data); config.thread_exits = msg_thread_exits; - common = fsg_common_init(0, c->cdev, &config); - if (IS_ERR(common)) - return PTR_ERR(common); - ret = fsg_add(c->cdev, c, common); - fsg_common_put(common); + retp = fsg_common_init(&common, c->cdev, &config); + if (IS_ERR(retp)) + return PTR_ERR(retp); + + ret = fsg_add(c->cdev, c, &common); + fsg_common_put(&common); return ret; } |