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path: root/recipes-kernel/linux/linux-3.12.27/linux-3.12.27-USB-option-reduce-interrupt-urb-logging-verbosity.patch
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2015-10-13Fix logging verbosity when disconnecting from cell modem tty:jhatch1
From Linux stable kernel 4ad8d53c777d5b48115b8cb9e73391ac434f9e60: USB: option: reduce interrupt-urb logging verbosity commit f0e4cba2534cd88476dff920727c81350130f3c5 upstream. Do not log normal interrupt-urb shutdowns as errors. The option driver has always been logging any nonzero interrupt-urb status as an error, including when the urb is killed during normal operation. Commit 9096f1fbba91 ("USB: usb_wwan: fix potential NULL-deref at resume") moved the interrupt urb submission from port probe and release to open and close, thus potentially increasing the number of these false-positive error messages dramatically. Reported-by: Ed Butler <ressy66@ausics.net> Tested-by: Ed Butler <ressy66@ausics.net> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>