Re: [PATCH] kbuild: check return value of asprintf()

From: Randy Dunlap
Date: Mon Oct 25 2010 - 10:43:14 EST


On 10/25/10 02:30, Michal Marek wrote:
> (adding Randy to CC)

Thanks, Michal.

Acked-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>


> On 22.10.2010 16:32, Namhyung Kim wrote:
>> Check return value of asprintf() in docsect() and exit if error
>> occurs. This removes following warning:
>>
>> HOSTCC scripts/basic/docproc
>> scripts/basic/docproc.c: In function âdocsectâ:
>> scripts/basic/docproc.c:336: warning: ignoring return value of âasprintfâ,
>> declared with attribute warn_unused_result
>>
>> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
>> ---
>> The patch is on top of v2.6.36, thanks.
>>
>> scripts/basic/docproc.c | 5 ++++-
>> 1 files changed, 4 insertions(+), 1 deletions(-)
>>
>> diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
>> index fc3b18d..98dec87 100644
>> --- a/scripts/basic/docproc.c
>> +++ b/scripts/basic/docproc.c
>> @@ -333,7 +333,10 @@ static void docsect(char *filename, char *line)
>> if (*s == '\n')
>> *s = '\0';
>>
>> - asprintf(&s, "DOC: %s", line);
>> + if (asprintf(&s, "DOC: %s", line) < 0) {
>> + perror("asprintf");
>> + exit(1);
>> + }
>> consume_symbol(s);
>> free(s);
>>
>


--
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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