Geert Uytterhoeven a3641ca416 net: smc911x: Fix min() use in debug code
If ENABLE_SMC_DEBUG_PKTS=1:

    drivers/net/ethernet/smsc/smc911x.c: In function ‘smc911x_hardware_send_pkt’:
    include/linux/minmax.h:20:28: error: comparison of distinct pointer types lacks a cast [-Werror]
       20 |  (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
	  |                            ^~
    drivers/net/ethernet/smsc/smc911x.c:483:17: note: in expansion of macro ‘min’
      483 |  PRINT_PKT(buf, min(len, 64));

Fix this by making the constant unsigned, to match the type of "len".
While at it, replace the other missed ternary operator by min(), too.

Convert the dummy PRINT_PKT() from a macro to a static inline function,
to catch mistakes like this without having to enable debug options
manually.

Fixes: 5ff0348b7f ("net: smc911x: replace ternary operator with min()")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-18 14:13:09 +01:00
2022-05-08 13:54:17 -07:00
…

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.
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