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author | Stefan Achatz <erazor_de@users.sourceforge.net> | 2011-01-30 13:38:30 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2011-02-03 16:37:28 +0100 |
commit | e6fa47af5542df3383a78d7cc78f5d5ef63c0d42 (patch) | |
tree | 61ad2667932aeaec1c1572e4f099ba507eb49e33 | |
parent | HID: roccat: Fix NULL pointer dereference when unloading module (diff) | |
download | linux-e6fa47af5542df3383a78d7cc78f5d5ef63c0d42.tar.xz linux-e6fa47af5542df3383a78d7cc78f5d5ef63c0d42.zip |
HID: roccat: Fix bug that prevented roccat chardev from removing devices
pointer to device was cleared too early. This is fixed now.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r-- | drivers/hid/hid-roccat.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c index 0fa23dead5e1..bbe294c0dd9b 100644 --- a/drivers/hid/hid-roccat.c +++ b/drivers/hid/hid-roccat.c @@ -356,13 +356,16 @@ void roccat_disconnect(int minor) mutex_lock(&devices_lock); device = devices[minor]; - devices[minor] = NULL; mutex_unlock(&devices_lock); device->exist = 0; /* TODO exist maybe not needed */ device_destroy(device->dev->class, MKDEV(roccat_major, minor)); + mutex_lock(&devices_lock); + devices[minor] = NULL; + mutex_unlock(&devices_lock); + if (device->open) { hid_hw_close(device->hid); wake_up_interruptible(&device->wait); |