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block: sed-opal: unify error handling of responses

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response_get_{string,u64} include error handling for argument resp being
NULL but response_get_token does not handle this.

Make all three of response_get_{string,u64,token} handle NULL resp in
the same way.

Co-authored-by: Jonas Rabenstein <[email protected]>
Signed-off-by: David Kozub <[email protected]>
Signed-off-by: Jonas Rabenstein <[email protected]>
Reviewed-by: Scott Bauer <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jon Derrick <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
David Kozub 2019-02-14 01:15:59 +01:00 • committed by Jens Axboe
commit 7d9b62ae2a
1 changed files with 5 additions and 0 deletions
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5
block/sed-opal.c
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@ -696,6 +696,11 @@ static const struct opal_resp_tok *response_get_token(
{
const struct opal_resp_tok *tok;
if (!resp) {
pr_debug("Response is NULL\n");
return ERR_PTR(-EINVAL);
}
if (n >= resp->num) {
pr_debug("Token number doesn't exist: %d, resp: %d\n",
n, resp->num);