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authorLinus Torvalds <torvalds@g5.osdl.org>2005-10-10 16:31:30 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-10 16:31:30 -0700
commitd7dd8a72ab8d305fbe1c4bb571e0633eba3a8d23 (patch)
treeb1df87ccb102bbe4c2402a677d62bc6a0b85282e
parent46113830a18847cff8da73005e57bc49c2f95a56 (diff)
downloadlinux-linaro-d7dd8a72ab8d305fbe1c4bb571e0633eba3a8d23.tar.gz
Use the new "kill_proc_info_as_uid()" for USB disconnect too
All the same issues - we can't just save the pointer to the thread, we must save the pid/uid/euid combination. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/usb/core/devio.c4
-rw-r--r--drivers/usb/core/inode.c2
-rw-r--r--drivers/usb/core/usb.h3
3 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6c35dcbea66..487ff672b10 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -530,7 +530,9 @@ static int usbdev_open(struct inode *inode, struct file *file)
INIT_LIST_HEAD(&ps->async_completed);
init_waitqueue_head(&ps->wait);
ps->discsignr = 0;
- ps->disctask = current;
+ ps->disc_pid = current->pid;
+ ps->disc_uid = current->uid;
+ ps->disc_euid = current->euid;
ps->disccontext = NULL;
ps->ifclaimed = 0;
wmb();
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 640f41e4702..d07bba01995 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -713,7 +713,7 @@ void usbfs_remove_device(struct usb_device *dev)
sinfo.si_errno = EPIPE;
sinfo.si_code = SI_ASYNCIO;
sinfo.si_addr = ds->disccontext;
- send_sig_info(ds->discsignr, &sinfo, ds->disctask);
+ kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid);
}
}
usbfs_update_special();
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 83d48c8133a..e6504f3370a 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -52,7 +52,8 @@ struct dev_state {
struct list_head async_completed;
wait_queue_head_t wait; /* wake up if a request completed */
unsigned int discsignr;
- struct task_struct *disctask;
+ pid_t disc_pid;
+ uid_t disc_uid, disc_euid;
void __user *disccontext;
unsigned long ifclaimed;
};