usbip: stub_rx: fix static checker warning on unnecessary checks

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Fix the following static checker warnings:

The patch c6688ef9f2: "usbip: fix stub_rx: harden CMD_SUBMIT path
to handle malicious input" from Dec 7, 2017, leads to the following
static checker warning:

    drivers/usb/usbip/stub_rx.c:346 get_pipe()
    warn: impossible condition
'(pdu->u.cmd_submit.transfer_buffer_length > ((~0 >> 1))) =>
(s32min-s32max > s32max)'
    drivers/usb/usbip/stub_rx.c:486 stub_recv_cmd_submit()
    warn: always true condition
'(pdu->u.cmd_submit.transfer_buffer_length <= ((~0 >> 1))) =>
(s32min-s32max <= s32max)'

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Shuah Khan 2017-12-15 10:05:15 -07:00 • committed by Greg Kroah-Hartman

parent 90120d15f4

commit 10c9012093

1 changed files with 1 additions and 10 deletions

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drivers/usb/usbip/stub_rx.c

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