Re: [PATCH] remoteproc: qcom: replace kstrdup with kstrndup

[Mukesh Ojha <quic_mojha@quicinc.com>]

On 2/14/2023 10:09 PM, Bjorn Andersson wrote:
> On Tue, Feb 14, 2023 at 07:38:11PM +0530, Mukesh Ojha wrote:
>> Since, there is no guarantee that region.name will be 0-terminated
>> from the firmware side, replace kstrdup with kstrndup.
>>
>> Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>> Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
> 
> Please don't send additional patches in-reply-to another patch, it makes
> it impossible to use b4 to pick up the first patch.
> 
> And please don't send two patches which clearly will conflict with
> each other. Now I had to manually apply the first patch...
> 

Really sorry, for the inconvenience.
will keep in mind.

Thanks,
-Mukesh

> Regards,
> Bjorn
> 
>> ---
>>   drivers/remoteproc/qcom_common.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
>> index 020349f..7810f91 100644
>> --- a/drivers/remoteproc/qcom_common.c
>> +++ b/drivers/remoteproc/qcom_common.c
>> @@ -124,7 +124,7 @@ static int qcom_add_minidump_segments(struct rproc *rproc, struct minidump_subsy
>>   	for (i = 0; i < seg_cnt; i++) {
>>   		memcpy_fromio(&region, ptr + i, sizeof(region));
>>   		if (region.valid == MD_REGION_VALID) {
>> -			name = kstrdup(region.name, GFP_KERNEL);
>> +			name = kstrndup(region.name, MAX_REGION_NAME_LENGTH - 1, GFP_KERNEL);
>>   			if (!name) {
>>   				iounmap(ptr);
>>   				return -ENOMEM;
>> -- 
>> 2.7.4
>>