[PATCH] [Cardman 40x0] Fix udev device creation

From: Harald Welte
Date: Wed May 10 2006 - 07:29:07 EST


Hi!

Please apply this fix for the cm40x0 device drivers. It's obvious, clean,
affects only those two devices, so I hope it'll make it in 2.6.17-final.

Thanks!

[Cardman 40x0] Fix udev device creation

This patch corrects the order of the calls to register_chrdev() and
pcmcia_register_driver(). Now udev correctly creates userspace device
files /dev/cmmN and /dev/cmxN respectively.

Based on an earlier patch by Jan Niehusmann <jan@xxxxxxxxxx>.

Signed-off-by: Harald Welte <laforge@xxxxxxxxxxxxx>

---
commit 3599bbbe2873942dcc68bc50dec7a91868373654
tree 7523c29329841e6375943ef50d23c74179ff85d2
parent 33f85f1beef2ebbcacaec5518ec3ed7c42d44508
author Harald Welte <laforge@xxxxxxxxxxxxx> Wed, 12 Apr 2006 17:41:01 +0200
committer Harald Welte <laforge@xxxxxxxxxxxxx> Wed, 12 Apr 2006 17:41:01 +0200

drivers/char/pcmcia/cm4000_cs.c | 10 ++++++----
drivers/char/pcmcia/cm4040_cs.c | 11 +++++++----
2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 02114a0..128b263 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1981,10 +1981,6 @@ static int __init cmm_init(void)
if (!cmm_class)
return -1;

- rc = pcmcia_register_driver(&cm4000_driver);
- if (rc < 0)
- return rc;
-
major = register_chrdev(0, DEVICE_NAME, &cm4000_fops);
if (major < 0) {
printk(KERN_WARNING MODULE_NAME
@@ -1992,6 +1988,12 @@ static int __init cmm_init(void)
return -1;
}

+ rc = pcmcia_register_driver(&cm4000_driver);
+ if (rc < 0) {
+ unregister_chrdev(major, DEVICE_NAME);
+ return rc;
+ }
+
return 0;
}

diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 29efa64..47a8465 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -724,16 +724,19 @@ static int __init cm4040_init(void)
if (!cmx_class)
return -1;

- rc = pcmcia_register_driver(&reader_driver);
- if (rc < 0)
- return rc;
-
major = register_chrdev(0, DEVICE_NAME, &reader_fops);
if (major < 0) {
printk(KERN_WARNING MODULE_NAME
": could not get major number\n");
return -1;
}
+
+ rc = pcmcia_register_driver(&reader_driver);
+ if (rc < 0) {
+ unregister_chrdev(major, DEVICE_NAME);
+ return rc;
+ }
+
return 0;
}

--
- Harald Welte <laforge@xxxxxxxxxxxx> http://gnumonks.org/
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