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author | Kay Sievers <kay.sievers@vrfy.org> | 2007-07-08 22:29:26 +0200 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-07-18 15:49:49 -0700 |
commit | 60a96a59569bab85571d0089682109bd3324e896 (patch) | |
tree | b70d0174ddae44224ae5c8cea90231e659beff30 /drivers | |
parent | a6bb340da32f0abf76656be1619fb85150eef61b (diff) | |
download | linux-60a96a59569bab85571d0089682109bd3324e896.tar.gz linux-60a96a59569bab85571d0089682109bd3324e896.tar.bz2 linux-60a96a59569bab85571d0089682109bd3324e896.zip |
Driver core: accept all valid action-strings in uevent-trigger
This allows the uevent file to handle any type of uevent action to be
triggered by userspace instead of just the "add" uevent.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/base/core.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 0455aa78fa13..91a0367d583e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -24,6 +24,8 @@ #include "base.h" #include "power/power.h" +extern const char *kobject_actions[]; + int (*platform_notify)(struct device * dev) = NULL; int (*platform_notify_remove)(struct device * dev) = NULL; @@ -303,10 +305,25 @@ out: static ssize_t store_uevent(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - if (memcmp(buf, "add", 3) != 0) - dev_err(dev, "uevent: unsupported action-string; this will " - "be ignored in a future kernel version"); + size_t len = count; + enum kobject_action action; + + if (len && buf[len-1] == '\n') + len--; + + for (action = 0; action < KOBJ_MAX; action++) { + if (strncmp(kobject_actions[action], buf, len) != 0) + continue; + if (kobject_actions[action][len] != '\0') + continue; + kobject_uevent(&dev->kobj, action); + goto out; + } + + dev_err(dev, "uevent: unsupported action-string; this will " + "be ignored in a future kernel version\n"); kobject_uevent(&dev->kobj, KOBJ_ADD); +out: return count; } |