Am 17.05.2012 09:08, schrieb Dan Carpenter:
> Neither "acceptor_values" nor "proposer_values" can be NULL here.
> Smatch complains because we are not allowed to pass NULL pointers to
> strchr().
>
> Also I removed a second later check for "!acceptor_values" because it
> gets checked on the next line in the do while condition.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> Compile tested only. Please review carefully.
>
> diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
> index ad3b3c1..ed5241e 100644
> --- a/drivers/target/iscsi/iscsi_target_parameters.c
> +++ b/drivers/target/iscsi/iscsi_target_parameters.c
> @@ -1037,13 +1037,6 @@ static char *iscsi_check_valuelist_for_support(
> tmp2 = strchr(acceptor_values, ',');
> if (tmp2)
> *tmp2 = '\0';
this looks like strchrnul(). I realy do not know is this supported inside the kernel ?
> - if (!acceptor_values || !proposer_values) {
> - if (tmp1)
> - *tmp1 = ',';
> - if (tmp2)
> - *tmp2 = ',';
> - return NULL;
> - }
> if (!strcmp(acceptor_values, proposer_values)) {
> if (tmp2)
> *tmp2 = ',';
> @@ -1053,8 +1046,6 @@ static char *iscsi_check_valuelist_for_support(
> *tmp2++ = ',';
>
> acceptor_values = tmp2;
> - if (!acceptor_values)
> - break;
> } while (acceptor_values);
> if (tmp1)
> *tmp1++ = ',';
the changes look reasonable but to be fair the code should have an explanation
what it is supposed to do. I do not have the feeling that i did understand the
purpose completely.
just my 2 cents,
wh
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