lkml.org 
[lkml]   [2007]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: idio{,ma}tic typos (was Re: + fix-vm_can_nonlinear-check-in-sys_remap_file_pages.patch added to -mm tree)
On Wed, Oct 10, 2007 at 04:45:46AM -0700, Josh Triplett wrote:
> Alexey Dobriyan wrote:
> > ["if (!x & y)" patch from yanzheng@]
> > ["if (!x & y)" patch from adobriyan@]
> > ["if (!x & y)" patches from viro@]
> >
> > While we're at it, below is somewhat ugly sparse patch for detecting
> > "&& 0x" typos.
>
> Excellent idea! I think it applies to || as well.

Sadly, yes.

[PATCH] smctr: fix "|| 0x" typo

IBM_PASS_SOURCE_ADDR is 1, so logically ORing it with status bits is
pretty useless. Do bitwise OR, instead.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
---

drivers/net/tokenring/smctr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/tokenring/smctr.c
+++ b/drivers/net/tokenring/smctr.c
@@ -3413,7 +3413,7 @@ static int smctr_make_tx_status_code(struct net_device *dev,
tsv->svi = TRANSMIT_STATUS_CODE;
tsv->svl = S_TRANSMIT_STATUS_CODE;

- tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) || IBM_PASS_SOURCE_ADDR);
+ tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) | IBM_PASS_SOURCE_ADDR);

/* Stripped frame status of Transmitted Frame */
tsv->svv[1] = tx_fstatus & 0xff;
> I'll most likely
> add a -Wboolean-logic-on-bit-constant to turn this warning on.

Ewww, more options. :-(

> Any reason why this wouldn't apply to octal constants or to GCC's new
> binary constants? I can trivially modify this patch to handle those
> as well, just by dropping the check for an 'x' or 'X', and renaming the
> flag.

OK, let me try too.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-10-11 09:41    [W:0.087 / U:0.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site