USB: serial: io_edgeport: fix use after free in debug printk

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commit 37bb562837 upstream.

The "dev_dbg(&urb->dev->dev, ..." which happens after usb_free_urb(urb)
is a use after free of the "urb" pointer.  Store the "dev" pointer at the
start of the function to avoid this issue.

Fixes: 984f686832 ("USB: serial: io_edgeport.c: remove dbg() usage")
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dan Carpenter 2024-10-31 12:48:30 +03:00 • committed by Greg Kroah-Hartman

parent 604314ecd6

commit 275258c30b

1 changed files with 4 additions and 4 deletions

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drivers/usb/serial/io_edgeport.c

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