public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Pierre Ossman <drzeus-list@drzeus.cx>
To: LKML <linux-kernel@vger.kernel.org>,
	Russell King <rmk+lkml@arm.linux.org.uk>
Subject: [PATCH] Fix MMC warnings
Date: Sun, 02 Jan 2005 01:07:31 +0100	[thread overview]
Message-ID: <41D73B43.3080109@drzeus.cx> (raw)

[-- Attachment #1: Type: text/plain, Size: 58 bytes --]

Here's a patch that fixes the compiler warnings in mmc.c.

[-- Attachment #2: mmc-warning.patch --]
[-- Type: text/x-patch, Size: 714 bytes --]

Index: linux-wbsd/drivers/mmc/mmc.c
===================================================================
--- linux-wbsd/drivers/mmc/mmc.c	(revision 117)
+++ linux-wbsd/drivers/mmc/mmc.c	(working copy)
@@ -428,14 +428,14 @@
 
 #define UNSTUFF_BITS(resp,start,size)					\
 	({								\
-		const u32 __mask = (1 << (size)) - 1;			\
+		const u32 __mask = ((size >= 32)?0:(1 << (size))) - 1;	\
 		const int __off = 3 - ((start) / 32);			\
 		const int __shft = (start) & 31;			\
 		u32 __res;						\
 									\
 		__res = resp[__off] >> __shft;				\
 		if ((size) + __shft >= 32)				\
-			__res |= resp[__off-1] << (32 - __shft);	\
+			__res |= resp[__off-1] << ((32 - __shft) % 32);	\
 		__res & __mask;						\
 	})
 

             reply	other threads:[~2005-01-02  0:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-02  0:07 Pierre Ossman [this message]
2005-01-02  8:44 ` [PATCH] Fix MMC warnings Russell King
2005-01-02 11:55   ` Russell King

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=41D73B43.3080109@drzeus.cx \
    --to=drzeus-list@drzeus.cx \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rmk+lkml@arm.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox