From: Patrick Mansfield <patmans@us.ibm.com>
To: linux-hotplug@vger.kernel.org
Subject: [PATCH] udev kill extra bus_id compares in match_id
Date: Thu, 12 Feb 2004 00:18:47 +0000 [thread overview]
Message-ID: <20040211161847.A26348@beaverton.ibm.com> (raw)
Patch against current udev bk.
Kill the extra bus_id check in match_id. This is wrong, especially since
we check for rule matches with the parent devices on a given devices path.
For example, given a device path of:
/sys/devices/pci0000:01/0000:01:0c.0/host5/5:0:2:0
With this patch, the following rule will no longer match:
BUS="scsi", ID="host5", NAME="sd-bus_id-host5"
=== namedev.c 1.100 vs edited ==--- 1.100/namedev.c Wed Feb 11 15:49:04 2004
+++ edited/namedev.c Wed Feb 11 16:03:35 2004
@@ -469,32 +469,19 @@
static int match_id(struct config_device *dev, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
{
char path[SYSFS_PATH_MAX];
- int found;
char *temp = NULL;
/* we have to have a sysfs device for ID to work */
if (!sysfs_device)
return -ENODEV;
- found = 0;
strfieldcpy(path, sysfs_device->path);
temp = strrchr(path, '/');
dbg("search '%s' in '%s', path='%s'", dev->id, temp, path);
- if (strstr(temp, dev->id) != NULL) {
- found = 1;
- } else {
- *temp = 0x00;
- temp = strrchr(path, '/');
- dbg("search '%s' in '%s', path='%s'", dev->id, temp, path);
- if (strstr(temp, dev->id) != NULL)
- found = 1;
- }
- if (!found) {
- dbg("id doesn't match");
+ if (strstr(temp, dev->id) = NULL)
return -ENODEV;
- }
-
- return 0;
+ else
+ return 0;
}
static int match_place(struct config_device *dev, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
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next reply other threads:[~2004-02-12 0:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-12 0:18 Patrick Mansfield [this message]
2004-02-12 1:26 ` [PATCH] udev kill extra bus_id compares in match_id Greg KH
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