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Sparse complains about the accesses to the field 'len' from struct hif_msg:
drivers/staging/wfx/bh.c:88:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:88:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:93:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:93:32: warning: cast to restricted __le16
drivers/staging/wfx/bh.c:93:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:121:25: warning: incorrect type in argument 2 (different base types)
drivers/staging/wfx/bh.c:121:25: expected unsigned int len
drivers/staging/wfx/bh.c:121:25: got restricted __le16 [usertype] len
drivers/staging/wfx/hif_rx.c:27:22: warning: restricted __le16 degrades to integer
drivers/staging/wfx/hif_rx.c:347:39: warning: incorrect type in argument 7 (different base types)
drivers/staging/wfx/hif_rx.c:347:39: expected unsigned int [usertype] len
drivers/staging/wfx/hif_rx.c:347:39: got restricted __le16 const [usertype] len
drivers/staging/wfx/hif_rx.c:365:39: warning: incorrect type in argument 7 (different base types)
drivers/staging/wfx/hif_rx.c:365:39: expected unsigned int [usertype] len
drivers/staging/wfx/hif_rx.c:365:39: got restricted __le16 const [usertype] len
drivers/staging/wfx/./traces.h:195:1: warning: incorrect type in assignment (different base types)
drivers/staging/wfx/./traces.h:195:1: expected int msg_len
drivers/staging/wfx/./traces.h:195:1: got restricted __le16 const [usertype] len
drivers/staging/wfx/./traces.h:195:1: warning: incorrect type in assignment (different base types)
drivers/staging/wfx/./traces.h:195:1: expected int msg_len
drivers/staging/wfx/./traces.h:195:1: got restricted __le16 const [usertype] len
drivers/staging/wfx/debug.c:319:20: warning: restricted __le16 degrades to integer
drivers/staging/wfx/secure_link.c:85:27: warning: restricted __le16 degrades to integer
drivers/staging/wfx/secure_link.c:85:27: warning: restricted __le16 degrades to integer
Indeed, the attribute len is little-endian. We have to take to the
endianness when we access it.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-14-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.