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070c0b17f6
If acm_submit_read_urbs() fails in acm_port_activate(), error handling code calls usb_autopm_put_interface() while it is already called before acm_submit_read_urbs(). The patch reorganizes error handling code to avoid double decrement of USB interface's PM-usage counter. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Acked-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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cdc-acm.c | ||
cdc-acm.h | ||
cdc-wdm.c | ||
Kconfig | ||
Makefile | ||
usblp.c | ||
usbtmc.c |