From: Cheah Kok Cheong <thrust73@gmail.com>
To: abbotti@mev.co.uk, hsweeten@visionengravers.com,
gregkh@linuxfoundation.org, devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org, Cheah Kok Cheong <thrust73@gmail.com>
Subject: [PATCH v2 1/2] Staging: comedi: comedi_fops: Change comedi_num_legacy_minors type
Date: Wed, 8 Mar 2017 02:13:58 +0800 [thread overview]
Message-ID: <cd5f3e9f6320ac0063e61f0d0457e5400091390c.1488908538.git.thrust73@gmail.com> (raw)
Change to unsigned to allow removal of negative value check in
init section. Use smaller data type since the max possible
value currently is 48.
Signed-off-by: Cheah Kok Cheong <thrust73@gmail.com>
---
V2:
-No changes.
drivers/staging/comedi/comedi_fops.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 57e8599..354d264 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -76,8 +76,8 @@ struct comedi_file {
#define COMEDI_NUM_SUBDEVICE_MINORS \
(COMEDI_NUM_MINORS - COMEDI_NUM_BOARD_MINORS)
-static int comedi_num_legacy_minors;
-module_param(comedi_num_legacy_minors, int, 0444);
+static unsigned short comedi_num_legacy_minors;
+module_param(comedi_num_legacy_minors, ushort, 0444);
MODULE_PARM_DESC(comedi_num_legacy_minors,
"number of comedi minor devices to reserve for non-auto-configured devices (default 0)"
);
@@ -2857,8 +2857,7 @@ static int __init comedi_init(void)
pr_info("version " COMEDI_RELEASE " - http://www.comedi.org\n");
- if (comedi_num_legacy_minors < 0 ||
- comedi_num_legacy_minors > COMEDI_NUM_BOARD_MINORS) {
+ if (comedi_num_legacy_minors > COMEDI_NUM_BOARD_MINORS) {
pr_err("invalid value for module parameter \"comedi_num_legacy_minors\". Valid values are 0 through %i.\n",
COMEDI_NUM_BOARD_MINORS);
return -EINVAL;
--
2.7.4
next reply other threads:[~2017-03-07 18:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-07 18:13 Cheah Kok Cheong [this message]
2017-03-07 18:13 ` [PATCH v2 2/2] Staging: comedi: comedi_fops: Fix "out of minor numbers for board device files" Cheah Kok Cheong
2017-03-08 12:36 ` Ian Abbott
2017-03-08 17:28 ` Cheah Kok Cheong
2017-03-08 11:28 ` [PATCH v2 1/2] Staging: comedi: comedi_fops: Change comedi_num_legacy_minors type Ian Abbott
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=cd5f3e9f6320ac0063e61f0d0457e5400091390c.1488908538.git.thrust73@gmail.com \
--to=thrust73@gmail.com \
--cc=abbotti@mev.co.uk \
--cc=devel@driverdev.osuosl.org \
--cc=gregkh@linuxfoundation.org \
--cc=hsweeten@visionengravers.com \
--cc=linux-kernel@vger.kernel.org \
/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
all inboxes | Powered by JetHome®