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USB: legousbtower: drop noisy disconnect messages 

User space already sees -ENODEV in case it tries to do I/O post
disconnect, no need to spam the logs with printk messages that don't
even include any device-id information.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191105084152.16322-6-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2019-11-05 09:41:43 +01:00 committed by Greg Kroah-Hartman
parent b5a80252e0
commit 835bd2b567
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/misc/legousbtower.c
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@ -540,7 +540,6 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count,
/* verify that the device wasn't unplugged */ /* verify that the device wasn't unplugged */
if (dev->disconnected) { if (dev->disconnected) {
retval = -ENODEV; retval = -ENODEV;
pr_err("No device or device unplugged %d\n", retval);
goto unlock_exit; goto unlock_exit;
} }
@ -626,7 +625,6 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t
/* verify that the device wasn't unplugged */ /* verify that the device wasn't unplugged */
if (dev->disconnected) { if (dev->disconnected) {
retval = -ENODEV; retval = -ENODEV;
pr_err("No device or device unplugged %d\n", retval);
goto unlock_exit; goto unlock_exit;
} }