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authorDavid Kozub <zub@linux.fjfi.cvut.cz>2019-02-14 01:15:59 +0100
committerJens Axboe <axboe@kernel.dk>2019-04-06 11:09:12 -0600
commit7d9b62ae2a7db6dfa218999b7dd65517a6f9cfb7 (patch)
treea5dca859d3fad361a03455da1bac3eb71eed04eb /block/sed-opal.c
parente8b2922459cf15140ab8cc1f92b6861674fff1a3 (diff)
downloadlinux-7d9b62ae2a7db6dfa218999b7dd65517a6f9cfb7.tar.bz2
block: sed-opal: unify error handling of responses
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 <jonas.rabenstein@studium.uni-erlangen.de> Signed-off-by: David Kozub <zub@linux.fjfi.cvut.cz> Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de> Reviewed-by: Scott Bauer <sbauer@plzdonthack.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/sed-opal.c')
-rw-r--r--block/sed-opal.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/sed-opal.c b/block/sed-opal.c
index 0348fb896a5d..3f368b14efd9 100644
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -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);