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From: Stefan Weil <weil@mail.berlios.de>
To: qemu-trivial <qemu-trivial@nongnu.org>
Cc: qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH] sh4: Fix potential crash in debug code
Date: Sat, 27 Aug 2011 21:27:27 +0200	[thread overview]
Message-ID: <4E59451F.6010902@mail.berlios.de> (raw)
In-Reply-To: <4E4642F1.5010600@mail.berlios.de>

Am 13.08.2011 11:25, schrieb Stefan Weil:
> Am 20.07.2011 20:56, schrieb Stefan Weil:
>> cppcheck reports this error:
>>
>> qemu/hw/sh_intc.c:390: error: Possible null pointer dereference:
>>   s - otherwise it is redundant to check if s is null at line 385
>>
>> If s were NULL, the printf() statement would crash.
>> Setting braces fixes this bug.
>>
>> Signed-off-by: Stefan Weil<weil@mail.berlios.de>
>> ---
>>   hw/sh_intc.c |    9 +++++----
>>   1 files changed, 5 insertions(+), 4 deletions(-)
>>
>> diff --git a/hw/sh_intc.c b/hw/sh_intc.c
>> index 0734da9..f73a4b0 100644
>> --- a/hw/sh_intc.c
>> +++ b/hw/sh_intc.c
>> @@ -382,13 +382,14 @@ void sh_intc_register_sources(struct intc_desc 
>> *desc,
>>
>>       sh_intc_register_source(desc, vect->enum_id, groups, nr_groups);
>>       s = sh_intc_source(desc, vect->enum_id);
>> -    if (s)
>> -        s->vect = vect->vect;
>> +        if (s) {
>> +            s->vect = vect->vect;
>>
>>   #ifdef DEBUG_INTC_SOURCES
>> -    printf("sh_intc: registered source %d ->  0x%04x (%d/%d)\n",
>> -           vect->enum_id, s->vect, s->enable_count, s->enable_max);
>> +            printf("sh_intc: registered source %d ->  0x%04x 
>> (%d/%d)\n",
>> +                   vect->enum_id, s->vect, s->enable_count, 
>> s->enable_max);
>>   #endif
>> +        }
>>       }
>>
>>       if (groups) {
>
> Ping?


Please add the patch to the trivial queue. More than a month time
for review and comments should be sufficient for trivial patches.

Thanks,
Stefan




WARNING: multiple messages have this Message-ID (diff)
From: Stefan Weil <weil@mail.berlios.de>
To: qemu-trivial <qemu-trivial@nongnu.org>
Cc: qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH] sh4: Fix potential crash in debug code
Date: Sat, 27 Aug 2011 21:27:27 +0200	[thread overview]
Message-ID: <4E59451F.6010902@mail.berlios.de> (raw)
In-Reply-To: <4E4642F1.5010600@mail.berlios.de>

Am 13.08.2011 11:25, schrieb Stefan Weil:
> Am 20.07.2011 20:56, schrieb Stefan Weil:
>> cppcheck reports this error:
>>
>> qemu/hw/sh_intc.c:390: error: Possible null pointer dereference:
>>   s - otherwise it is redundant to check if s is null at line 385
>>
>> If s were NULL, the printf() statement would crash.
>> Setting braces fixes this bug.
>>
>> Signed-off-by: Stefan Weil<weil@mail.berlios.de>
>> ---
>>   hw/sh_intc.c |    9 +++++----
>>   1 files changed, 5 insertions(+), 4 deletions(-)
>>
>> diff --git a/hw/sh_intc.c b/hw/sh_intc.c
>> index 0734da9..f73a4b0 100644
>> --- a/hw/sh_intc.c
>> +++ b/hw/sh_intc.c
>> @@ -382,13 +382,14 @@ void sh_intc_register_sources(struct intc_desc 
>> *desc,
>>
>>       sh_intc_register_source(desc, vect->enum_id, groups, nr_groups);
>>       s = sh_intc_source(desc, vect->enum_id);
>> -    if (s)
>> -        s->vect = vect->vect;
>> +        if (s) {
>> +            s->vect = vect->vect;
>>
>>   #ifdef DEBUG_INTC_SOURCES
>> -    printf("sh_intc: registered source %d ->  0x%04x (%d/%d)\n",
>> -           vect->enum_id, s->vect, s->enable_count, s->enable_max);
>> +            printf("sh_intc: registered source %d ->  0x%04x 
>> (%d/%d)\n",
>> +                   vect->enum_id, s->vect, s->enable_count, 
>> s->enable_max);
>>   #endif
>> +        }
>>       }
>>
>>       if (groups) {
>
> Ping?


Please add the patch to the trivial queue. More than a month time
for review and comments should be sufficient for trivial patches.

Thanks,
Stefan

  reply	other threads:[~2011-08-27 19:27 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-20 18:56 [Qemu-trivial] [PATCH] sh4: Fix potential crash in debug code Stefan Weil
2011-07-20 18:56 ` [Qemu-devel] " Stefan Weil
2011-07-20 18:56 ` [Qemu-trivial] [PATCH] tcg/mips: Fix regression caused by typo (copy + paste bug) Stefan Weil
2011-07-20 18:56   ` [Qemu-devel] " Stefan Weil
2011-07-20 21:04   ` [Qemu-trivial] " Blue Swirl
2011-07-25 10:22 ` [Qemu-trivial] [PATCH] sh4: Fix potential crash in debug code Stefan Hajnoczi
2011-07-25 10:22   ` [Qemu-devel] " Stefan Hajnoczi
2011-08-13  9:25 ` Stefan Weil
2011-08-13  9:25   ` [Qemu-devel] " Stefan Weil
2011-08-27 19:27   ` Stefan Weil [this message]
2011-08-27 19:27     ` Stefan Weil
2011-08-28 11:13 ` [Qemu-trivial] " Andreas Färber
2011-08-28 11:13   ` Andreas Färber
2011-08-29 11:39 ` [Qemu-trivial] " Stefan Hajnoczi
2011-08-29 11:39   ` [Qemu-devel] " Stefan Hajnoczi

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