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| From | "Rafael J. Wysocki" <rjw@rjwysocki.net> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V4 2/2] PM / OPP: Fix static checker warning (broken 64bit big endian systems) |
| Date | Fri, 28 Aug 2015 15:50:04 +0200 |
| Message-ID | <q2scA-4SC-25@gated-at.bofh.it> (permalink) |
| References | <pWC4V-2z5-1@gated-at.bofh.it> <pYt7c-Gw-9@gated-at.bofh.it> |
| X-Original-To | Viresh Kumar <viresh.kumar@linaro.org> |
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| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
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| Lines | 25 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, dan.carpenter@oracle.com, nm@ti.com, sboyd@codeaurora.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Len Brown <len.brown@intel.com>, open list <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz> |
| X-Original-Date | Fri, 28 Aug 2015 16:14:33 +0200 |
| X-Original-Message-ID | <20319405.E46lXZHqyF@vostro.rjw.lan> |
| X-Original-References | <fac7aa53b304bbff1ff22f65670e05e5e6dc6396.1439376998.git.viresh.kumar@linaro.org> <0a41aca3107cea2d9fac3f4536e5c7f4acd90f7d.1439818955.git.viresh.kumar@linaro.org> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1215346 |
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On Monday, August 17, 2015 07:20:20 PM Viresh Kumar wrote: > Dan Carpenter reported (generated with static checker): > > drivers/base/power/opp.c:949 _opp_add_static_v2() > warn: passing casted pointer '&new_opp->clock_latency_ns' to > 'of_property_read_u32()' 64 vs 32. > > This code will break on 64 bit, big endian machines. > > Fix this by reading the value in a u32 type variable first and then > assigning it to the unsigned long variable. > > Reported-by: Dan Carpenter <dan.carpenter@oracle.com> > Suggested-by: Stephen Boyd <sboyd@codeaurora.org> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> I've applied this and the [1/2], thanks! Rafael -- 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/
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Re: [PATCH V4 2/2] PM / OPP: Fix static checker warning (broken 64bit big endian systems) "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-08-28 15:50 +0200
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