From: Daeseok Youn <daeseok.youn@gmail.com>
To: lidza.louina@gmail.com, markh@compro.net
Cc: markh@compro.net, daeseok.youn@gmail.com,
gregkh@linuxfoundation.org,
driverdev-devel@linuxdriverproject.org,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/7] staging: dgap: remove useless variable
Date: Sat, 9 Aug 2014 14:36:44 +0900 [thread overview]
Message-ID: <20140809053644.GA14630@devel.8.8.4.4> (raw)
dgap_major_serial_registered and dgap_major_transparent_print_registered
could be checked whether a board is initialized.
But it doesn't need to check that variables becasue dgap module
isn't calling the dgap_cleanup_tty() without initializing
for a board completely.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
---
drivers/staging/dgap/dgap.c | 48 +++++++++++++++++-------------------------
drivers/staging/dgap/dgap.h | 3 --
2 files changed, 20 insertions(+), 31 deletions(-)
diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index ac12e99..55c06c9 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -1320,11 +1320,9 @@ static int dgap_tty_register(struct board_t *brd)
if (rc < 0)
goto unregister_serial_drv;
- brd->dgap_major_serial_registered = TRUE;
dgap_boards_by_major[brd->serial_driver->major] = brd;
brd->dgap_serial_major = brd->serial_driver->major;
- brd->dgap_major_transparent_print_registered = TRUE;
dgap_boards_by_major[brd->print_driver->major] = brd;
brd->dgap_transparent_print_major = brd->print_driver->major;
@@ -1544,35 +1542,29 @@ static void dgap_cleanup_tty(struct board_t *brd)
struct device *dev;
int i;
- if (brd->dgap_major_serial_registered) {
- dgap_boards_by_major[brd->serial_driver->major] = NULL;
- brd->dgap_serial_major = 0;
- for (i = 0; i < brd->nasync; i++) {
- tty_port_destroy(&brd->serial_ports[i]);
- dev = brd->channels[i]->ch_tun.un_sysfs;
- dgap_remove_tty_sysfs(dev);
- tty_unregister_device(brd->serial_driver, i);
- }
- tty_unregister_driver(brd->serial_driver);
- put_tty_driver(brd->serial_driver);
- kfree(brd->serial_ports);
- brd->dgap_major_serial_registered = FALSE;
- }
-
- if (brd->dgap_major_transparent_print_registered) {
- dgap_boards_by_major[brd->print_driver->major] = NULL;
- brd->dgap_transparent_print_major = 0;
- for (i = 0; i < brd->nasync; i++) {
- tty_port_destroy(&brd->printer_ports[i]);
- dev = brd->channels[i]->ch_pun.un_sysfs;
- dgap_remove_tty_sysfs(dev);
- tty_unregister_device(brd->print_driver, i);
- }
- tty_unregister_driver(brd->print_driver);
- put_tty_driver(brd->print_driver);
- kfree(brd->printer_ports);
- brd->dgap_major_transparent_print_registered = FALSE;
+ dgap_boards_by_major[brd->serial_driver->major] = NULL;
+ brd->dgap_serial_major = 0;
+ for (i = 0; i < brd->nasync; i++) {
+ tty_port_destroy(&brd->serial_ports[i]);
+ dev = brd->channels[i]->ch_tun.un_sysfs;
+ dgap_remove_tty_sysfs(dev);
+ tty_unregister_device(brd->serial_driver, i);
+ }
+ tty_unregister_driver(brd->serial_driver);
+ put_tty_driver(brd->serial_driver);
+ kfree(brd->serial_ports);
+
+ dgap_boards_by_major[brd->print_driver->major] = NULL;
+ brd->dgap_transparent_print_major = 0;
+ for (i = 0; i < brd->nasync; i++) {
+ tty_port_destroy(&brd->printer_ports[i]);
+ dev = brd->channels[i]->ch_pun.un_sysfs;
+ dgap_remove_tty_sysfs(dev);
+ tty_unregister_device(brd->print_driver, i);
}
+ tty_unregister_driver(brd->print_driver);
+ put_tty_driver(brd->print_driver);
+ kfree(brd->printer_ports);
}
/*=======================================================================
diff --git a/drivers/staging/dgap/dgap.h b/drivers/staging/dgap/dgap.h
index 9728d59..0482a4c 100644
--- a/drivers/staging/dgap/dgap.h
+++ b/drivers/staging/dgap/dgap.h
@@ -586,9 +586,6 @@ struct board_t {
struct tty_port *printer_ports;
char print_name[200];
- u32 dgap_major_serial_registered;
- u32 dgap_major_transparent_print_registered;
-
u32 dgap_serial_major;
u32 dgap_transparent_print_major;
--
1.7.1
next reply other threads:[~2014-08-09 5:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-09 5:36 Daeseok Youn [this message]
2014-08-11 10:56 ` [PATCH 1/7] staging: dgap: remove useless variable Dan Carpenter
2014-08-12 0:28 ` DaeSeok Youn
2014-08-13 9:22 ` Dan Carpenter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140809053644.GA14630@devel.8.8.4.4 \
--to=daeseok.youn@gmail.com \
--cc=devel@driverdev.osuosl.org \
--cc=driverdev-devel@linuxdriverproject.org \
--cc=gregkh@linuxfoundation.org \
--cc=lidza.louina@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=markh@compro.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).