paride: make 'verbose' parameter an 'int' again
authorArnd Bergmann <arnd@arndb.de>
Tue, 15 Mar 2016 21:53:29 +0000 (14:53 -0700)
committerDanny Wood <danwood76@gmail.com>
Tue, 29 Jan 2019 13:12:56 +0000 (13:12 +0000)
commite7cad154db025cbba1e415163666757cf72fade9
tree2ce2cfddd01c51b7d4418f2d1260bba93d668361
parentd668ce7ecbdbdbba1d1cc1aaa43dec24988bbe36
paride: make 'verbose' parameter an 'int' again

commit dec63a4dec2d6d01346fd5d96062e67c0636852b upstream.

gcc-6.0 found an ancient bug in the paride driver, which had a
"module_param(verbose, bool, 0);" since before 2.6.12, but actually uses
it to accept '0', '1' or '2' as arguments:

  drivers/block/paride/pd.c: In function 'pd_init_dev_parms':
  drivers/block/paride/pd.c:298:29: warning: comparison of constant '1' with boolean expression is always false [-Wbool-compare]
   #define DBMSG(msg) ((verbose>1)?(msg):NULL)

In 2012, Rusty did a cleanup patch that also changed the type of the
variable to 'bool', which introduced what is now a gcc warning.

This changes the type back to 'int' and adapts the module_param() line
instead, so it should work as documented in case anyone ever cares about
running the ancient driver with debugging.

Fixes: 90ab5ee94171 ("module_param: make bool parameters really bool (drivers & misc)")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rusty Russell <rusty@rustcorp.com.au>
Cc: Tim Waugh <tim@cyberelk.net>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
drivers/block/paride/pd.c
drivers/block/paride/pt.c