diff options
| author | kay.sievers@vrfy.org <kay.sievers@vrfy.org> | 2004-10-23 12:12:28 +0200 |
|---|---|---|
| committer | Greg KH <gregkh@suse.de> | 2005-04-26 22:06:44 -0700 |
| commit | 1ad9a8c1b8479d88f2e83fc21c2b5d2d366932f1 (patch) | |
| tree | 75853132b65414062db669f947b64de1cbec296b /udev_sysfs.c | |
| parent | f071348004c8069b610effd95309ff47c515cf3e (diff) | |
[PATCH] switch wait for bus_file to stat() instead of open()
Diffstat (limited to 'udev_sysfs.c')
| -rw-r--r-- | udev_sysfs.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/udev_sysfs.c b/udev_sysfs.c index 624f53586f..d849a8eba7 100644 --- a/udev_sysfs.c +++ b/udev_sysfs.c @@ -93,10 +93,8 @@ static int wait_for_class_device_attributes(struct sysfs_class_device *class_dev return 0; } - strcpy(filename, class_dev->path); - strcat(filename, "/"); - strcat(filename, file); - dbg("looking at class '%s' for specific file '%s' with full name %s", class_dev->classname, file, filename); + snprintf(filename, SYSFS_PATH_MAX-1, "%s/%s", class_dev->path, file); + dbg("looking at class '%s' for specific file '%s'", class_dev->classname, filename); loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND; while (--loop) { @@ -167,6 +165,7 @@ static int class_device_expect_no_device_link(struct sysfs_class_device *class_d { .subsystem = "net", .device = "dummy" }, { .subsystem = "net", .device = "irda" }, { .subsystem = "net", .device = "ppp" }, + { .subsystem = "net", .device = "tun" }, { .subsystem = "ppp", .device = NULL }, { .subsystem = "sound", .device = NULL }, { .subsystem = "printer", .device = "lp" }, @@ -247,7 +246,10 @@ int wait_for_bus_device(struct sysfs_device *devices_dev, { .bus = "pci", .file = "vendor" }, { .bus = "platform", .file = "detach_state" }, { .bus = "i2c", .file = "detach_state" }, - { NULL } + { .bus = "ieee1394", .file = "node_count" }, + { .bus = "ieee1394", .file = "nodeid" }, + { .bus = "ieee1394", .file = "address" }, + { NULL, NULL } }; struct bus_file *busfile; int loop; @@ -271,19 +273,24 @@ int wait_for_bus_device(struct sysfs_device *devices_dev, /* wait for a bus specific file to show up */ loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND; while (--loop) { - int found = 0; + int found_bus_type = 0; for (busfile = bus_files; busfile->bus != NULL; busfile++) { if (strcmp(devices_dev->bus, busfile->bus) == 0) { - found = 1; - dbg("looking at bus '%s' for specific file '%s'", devices_dev->bus, busfile->file); - if (sysfs_get_device_attr(devices_dev, busfile->file) != NULL) { + char filename[SYSFS_PATH_MAX]; + struct stat stats; + + found_bus_type = 1; + snprintf(filename, SYSFS_PATH_MAX-1, "%s/%s", devices_dev->path, busfile->file); + dbg("looking at bus '%s' for specific file '%s'", devices_dev->bus, filename); + + if (stat(filename, &stats) == 0) { dbg("bus '%s' specific file '%s' found", devices_dev->bus, busfile->file); return 0; } } } - if (found == 0) { + if (found_bus_type == 0) { if (error) *error = "unknown bus"; info("error: unknown bus, please report to " |